Solving Equations
5x + 8 = 48
x=8
30 ÷ 2 + (-2)(-3)
21
An angle that is less than 90 degrees is an...
Acute Angle
Find the percent change from $25 to $30
20% increase
Find the area of a rectangle with a base of 11 m and a height of 3.3 m
36.3 m2
4 + 5(x - 2)=14
x= 4
(0.4)(0.07)
0.028
An angle that is more than 90 degrees is an....
Obtuse Angle
Find the percent change from $30 to $24
20% decrease
Find the perimeter of a rectangle with a base of 15.4 m and a height of 3.7 m
1 + 3x - x = x - 4 + 2x
4(1+6(8 - 3))
124
Two angles with a sum of 90 degrees are...
complementary
Find the percent change from $8 to $15
87.5% increase
Josie called her father to say that she was almost home. She had traveled 61.5 miles which is 3/4 of the way home. Calculate the total distance he will travel to get home. (Hint: write and solve an equation)
82 miles
3(x+8) = 3x - 81
x = no solutions
½(5+9) + 3 +3(-2)
4
Two angles with a sum of 180 degrees are...
supplementary
Find the percent change from $28 to $7
75% decrease
Find the mean of the following data:
5, 6, 3, 15, 1, 5, 8, 10, 2, 11
6.6
x + 7x - 8 -10 = 2(4x - 9)
x = all solutions
3 + 6(3 + 5) + (-½ )(20)
41
The sum of all 4 angles in a quadrilateral is...
360 degrees
Find the percent change from $40 to $56
40% increase
From a set of data, Q1 = 14.3 and Q3 = 18.25. Find the IQR
3.95