Answer:
36 minutes
Step-by-step explanation:you look at it and solve it
D = r• t
reverses the equation so that D and r are on the same side
d/r = t

Sam travels 4 hours at a rate of 50 mph
Answer:
A
Step-by-step explanation:
7x² - 4x - 8 - [ -3x² - 3x - 3]
In subtraction, flip the sign of all terms in the minuend
7x² - 4x - 8
<u> 3x² + 3x + 3</u>
4x² - x - 5
Answer:
9 because 3 x 4 = to 9
Step-by-step explanation: