a car is traveling at a speed of 65 mph. the car slows down 18 mph because of traffic, and then increases its speed by 13 mph. what is the car's speed now?
a) 55 mph
b) 60 mph
c) 70 mph
d) 75 mph

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units