3. Erik made a model train that was 25 feet
shorter in length than an actual train. Let
m represent the length of Erik's model.
Which expression represents the length of
the actual train?
A. 25 – m
C. m + 25
B. 25m
D. m - 25

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi