Yolanda paid for her movie ticket using 28 coins, all nickels and quarters. The ticket cost $4. Which system of linear equations can be used to find the number of nickels, n, and the number of quarters, q, Yolanda used?

What is the inverse operation of add 18

If ef = 19 and fg = 12 then ef = ?

Elmer is on a Ferris wheel which has a diameter of 180 ft and whose center is 120 ft off the ground. Find all of the angles θ such that 0≤θ≤3π and such that Elmer's carriage is at a height of 165 ft when it makes an angle of θ with the horizontal.

4 students is 20% of 20 students is it correct

What is tha answer to 3 2/5 = ?/5

If you flip a fair coin 4 times, what is the probability that you will get exactly 2 tails?

A hot air balloon begins it's descent at a rate of 22 1/2 feet per minute. how long will it take for the balloons elevation to change by - 315? feet

Curtis charges a flat fee of $2.50 for each delivery plus $0.20 per mile for each mile he drives. For one delivery, Curtis drives 6 miles. How much does Curtis charge to deliver the food?

Y=5x+20 Y=-7x-16 Solve each system by substitution

what kind of growth model (pattern) is showen in the table x 1, 2, 3, 4, 5 y 5, 25, 125,635,3,125