What is the area of a right triangle where the base is 8 in and height is 54 in? include units.
216 in2
evaluate:
5(x-2y)+(2-x)
at (6,9)
-64
A salesman sold twice as many pears in the afternoon than in the morning. If he sold 360 pears that day, how many pears did he sell in morning?
120 pears
Solve for x.
y= -x + 4
y= -1/2x
x= 8
What is the probability of drawing a face card (kings, queens, and jacks) from a deck of 52 cards? Express as a fraction in simplest terms.
3/13
Using the points (26,7) and (14,3), what would the coordinate of the midpoint of the line between the two be?
(20,5)
Find the slope of the two points: (5,10) and (6, 14)
4
If a car travels 24 miles in 6 minutes. How far will the car travels in two hours?
480 miles
Simplify the expression
m(4m2 - 8) + 3m3(m+4)
3m4+16m3-8m
A student chose a number, multiplied it by 4, then subtracted 138 from it and got 102. What was the number he chose.
60
Which two of the postulates or theorems can NOT be used to prove the congruence of two triangles?
ASA, SSA, SAS, SSS, AAS, AAA
SSA and AAA
f(x)=4x-2 g(x)=x2
What is f(x) multiplied by g(x)?
4x3-2x2
Grace has some blue marbles and some green marbles in a bag. All together, she has 45 marbles. Alice picks one marble from the bag. The probability Alice picks a blue marble is x and the probability Alice picks a green marble is 8x. How many green marbles are in the bag?
40 green marbles
Simplify (x + 3)2 - x2
6x+9
What is the sum of all the internal angles of an octagon?
1080o
What is the value of sin θ?
4/5
evaluate: 9ab-c , where a= -6, b= 9, c= -7
-479
5 hockey pucks and 3 hockey sticks cost $23.
5 hockey pucks and 1 hockey stick cost $20. How much does 1 hockey puck cost?
$3.70
What is (5p - 3m)2?
25p2 - 30pm + 9m2
What is the 12th term of the sequence?
-3, -6, -9...-108
-36
What would be the area of a circle that is inscribed in a rectangle with side lengths 8 cm and 13 cm? include units
16π cm2
7[6-(27+81)]+23
-691
Three friends Ali, Adam, and Amar together have $51. Adam has $4 less than Ali and Amar has $5 less than Ali. How much money does each friend have?
Ali: $20
Adam: $16
Amar: $15
A mountain climber is scaling a cliff at a constant rate. The climber starts at the bottom at 12:00 pm. By 12:15pm, the climber has moved 31 feet up the hill. What is the rate, in feet per hour, at which he climbs?
124 feet per hour
There are 27 girls and 32 boys in a class. 5/9 of the girls and 3/4 of the boys walk to school. One of the students who walks to school is chosen at random. Find the fraction probability that the student chosen is a boy. Be sure to simplify completely.
8/13