Solve algebraically

x-4y=-10

x+y=5

A and b are positive integers and a-b = 3. Evaluate the following: 9^ (1/2b) : 3^a 27^ (1/3b) : 9^ (1/2a) 125^ (1/3a) : 25^ (1/2b)

What is the inverse of y=x²-7

How do chart different types of animals?

25/14 write as a mixed number

What is 10 times 3 in standard form

The temperature is changing every day by negative 7 over 18 degrees Fahrenheit. What will be the change in the temperature after 3 days?

The equation of the polynomial function is: f (x) = (x + (2 + i)) (x + (2 - i)) (x + 5) f (x) = (x - (2 + i)) (x - (2 - i)) (x - 5) f (x) = (x - (2 + i)) (x - (2 - i)) f (x) = (x + (2 + i)) (x - (2 - i)) (x - 5)

Andre owned a 1/4 acre lot. He wanted to construct a 120' x 80' tennis court on the lot. How many square feet will remain uncovered after he builds the tennis court?

Mary is paid 7.5% commission on all of her sales. She had sales of $2300 for the month of December. How much commission did Mary make?

What is the total weight in pounds of a 2.5 million blocks used to build the great pyramid and then convert that to ounces