The price of a BMW car went from $1.50 to $2.50 over a period of 4 years. Find the average increase per year.
25 cents per year
300
8−1− (18−2)÷8
5
400
Altogether, Michael and his two friends have exactly $30 to spend on lunch. Hot dogs cost $3.50 and drinks cost $1.50. If they each get two hot dogs, how many drinks can they buy?
6 drinks
400
A certain sequence is A, B, D, C, A, B, D, C, etc. What is the 90th term in the sequence?
B
400
∛8 = ?
-2 and 2
400
If the average of x and y is 11 and the average of x, y, and z is 5, what is the value of z?
z = -7
400
(4−1+8÷8)×5
20
500
Solve for x:
−5(1−5x)+5(−8x−2)=−4x−8x
x = -5
500
Sarah wanted to make jump ropes for herself and her friends, so she went to a store and purchased 100 feet of rope. If each jump rope is 7 feet long, how many jump ropes could Sarah make and how many feet of rope will she have left over?
2 feet
500
√(18a2) * 4√(3a2)
12a2√6
500
12 students took a test and their average score was 85. However, Bob was "sick" in Las Vegas that day. After Bob took the test, the average score dropped to 82. What was Bob's score on the test?
46
500
Write out all the primes less than 20 and give the definition of prime number.
{2, 3, 5, 7, 11, 13, 17, 19}
Prime number is a number that is only divisible by itself and one while 1 is not a prime number.