Solve for al

(21 - 3a) = 6 - a

Frank has a 2-digit number n his baseball uniform. The number is a multiple of 10 and has 3 for one its factors. What three numbers could frank have on his uniform?

What landmarks are located in East India?

If you want to buy an item in a store that costs $50 and is on sale for 10% off, then how much would the item actually cost you after the discount?

Convert 36 cubic meters to cubic millimeters? Show work!

Patti's Pet Palace has an 85-gallon fish tank. When it needs to be cleaned, it can be drained at a rate of 2 gallons per minute.

You rent a car for $29.85. The first 140 miles are free, but each mile thereafter costs $0.12. You plan to drive it 165 miles. What is the marginal cost of driving the car? A - The marginal cost is whatever can be purchased with $29.85 plus $16.56.

It took Melinda 60 minutes to run 5 miles. How many miles per minute did it take Melinda?

Suppose that the number of a certain type of computer that can be sold when its price is P (in dollars) is given by a linear function N (P). (a) Determine N (P) if N (1000) = 10000 and N (1700) = 5800.

Which is the equation for the statement: The result of subtracting a number from 3/4 is 7?

if the cones below are similar, what is the ratio of the slant height of the smaller cone to the larger cone when the Surface area of smaller cone is 52in and larger cone is 637in