1. The sum of Sam’s and Tom’s ages is 70. Tom is four times as old as Sam. If you let s = Sam’s age and t = Tom’s age then you can use a system of equations. What are Sam’s and Tom’s ages?

Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7