7 with the exponent of 3 times 9 with the exponent of 4 minus 2

In a race in which six automobiles are entered and there are not ties, in how many ways can the first four finishers come in?

How to find the solution of |a-4|=3a-6

Why does the following system of linear equations have no solution? x + 4y = 20 x + 4y = 16

Use the information to find the percent change. Original Amount = 1,250 Amount of Change = 618 Percent Increase = Amount of Change Original Amount The percent change is about.

Baldo is paid $80.00 per day at his job, plus $15.00 per hour for every hour (h) that he works overtime. One day, his total earnings were #140.00. What would be the equation?

Simplify the expression: 5 (2j + 3 + j) using the distributive and commutative properties and combining like terms below: (i need 2 equations)

Ritchie wants to paint paint his bedroom ceiling and four walls. Both the ceiling and walls are 8 feet by 8 feet. A gallon of paint covers 40 squares feet. which expression can be used to find the # of gallons of paint Ritchie needs to buy?

What is bigger 4/5 or 5/6

If the probability that an event will happen is 5/13, then the probability that will not happen is? a) 5/13 b) 7/13 c) 8/13 d) 10/13

8 Cakes cost £4.00 how much 3 cakes cost?