If Student's spent an average of $5.50 to buy materials for the science Olympiad. If they each build 3 mousetrap cars, what was their unit cost per car?

The length of a rectangle is 5mm more than twice the width. if the area is 168 square mm, fine the dimensions of the rectangle.

3y-x=3 and x is four times the value of y what is the value of x-y?

Solve the system of equations algebraically. 5x-3y=6 6x-5y=10

Identify the dependent and independent variables: bicep size and the amount of time spent weightlifting at the gym. Choose all that apply.

Who started the fire? A. Ryan B. Michael C. Dwight D. Kelly

Will give Brainliest to first person to give right answer! In a small private school, 5 students are randomly selected from 14 available students. What is the probability that they are the five youngest students?

If 80% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will take place?

What is another way to express 64? A) 3 ^4 B) 6 ^4 C) 6.4 x 10^2 D) 8^2

Which values, when placed in the box, would result in a system of equations with no solution? Check all that apply. y = - 2x + 4 6x + 3y = A: - 12 B: - 4 C: 0 D: 4 E: 12

During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what was Francine's average speed for the entire trip? A.