A convex polyhedron has (8a) faces, (6a + 6) vertices, and (15a) edges. What is the value of a?

Euler's formula: V + F = E + 2

a =

What is the area of Mr. Prete's front yard?

What percent of a foot is 3 in.; 4 in.; 6 in.; 9 in.? Answer: 3 in is % of a foot. 4 in is % of a foot. 6 in is % of a foot. 9 in is % of a foo

The probability of rolling a 6 on a biased die is 1/5 Work out the probability of rolling exactly one 6

John runs every day. The number of miles that he runs varies per day. Write a variable expression to show John's total miles for three days."

A home coming device left its home to deliver a message. On takeoff, the device encountered a tailwind of 9 mph and made the delivery in 15 minutes. The return trip into the win took 30 minutes. How fast the device fly in still air?

The Suarez family paid $17.25 for 3 movie tickets. How much would they have paid for 12 tickets

The sale price of an item is $140 after a 20% discount is applied. What is the original price of the item?

Julie works 30 hours each week at $27.33 per hour. Julie has 30.55% taken out for taxes and withholdings. What is the net pay per week?

The sum of 2 numbers is 7. if one number is subtracted from the other, the result is - 1. find the numbers

How do you get 10% discount from $30