In a family, the sum of the ages of four kids is 30 years less than the sum of the ages of their parents. In how many years will these sums be equal?

Find the measure of angle 3. measure of angle 1 = x measure of angle 2 = x-6

Efetue as operações no caderno (dica: se achar conveniente que escreva os números decimais na forma de fração.) A) (0,222 ...) + (0,555 ...) - (0,777 ...) B) (0,888 ...) : (5,666 ...) C) (1,8333 ...). (0,52727 ...)

George has $2.00 to spend at a store. He buys 3 cans of soda. Each can of soda costs 65 cents. What calculation should George use to determine how much change he should receive?

0.000000000093 in scientific notation

A football team lost five yards on each of two consecutive plays. Find the total change in yardage.

Solve the following system of equations using the substitution method: y = x2 + 3x - 12 y = x + 3

The area of a rectangle is x2-2x-8. the width of the rectangle is (x+2). what is the length?

perform the steps for dividing the two polynomials using synthetic division. state the quotient, q (x), and the remainder, r (x). 2x^5-8x^4+2x^3+2x^2 / 2x^3+1

Can you ever us a calculator to determine if a number is rational or irrational? Explain

What is the value of the algebraic expression if x=1/2, y=-1, and z=2?