Question 1
Traveling at 45 miles per hour, how many minutes, rounded to the nearest whole number, does it take to drive 240 miles from Orlando to Miami?
A. 5
B. 195
C. 285
D. 320
Question 2
Find the value of the expression 3m2 + 2p2 − 15 when m = 3 and p = 10.
A. 27
B. 200
C. 212
D. 225
Question 3
Evaluate the expression 3(7 + 4)2 − 14 ÷ 7.
A. 50
B. 361
C. 363
D. 586
Question 4
Milly has $83.50 in her savings account. She deposits $15 every week. Her mother also deposits $10 into the account every time Milly washes the car. Her savings account balance can be shown with the following expression:
10c + 15w + 83.50
Part A: Identify a coefficient, a variable, and a constant in this expression.
Part B: If Milly saves for 15 weeks and washes the car 4 times, how much will she have in her account? Show your work to receive full credit.
Part C: If Milly’s mom deposited $20 after each car wash, would the coefficient, variable, or constant in the expression change? Why?