X=2y+11

-7x-27=-13

solve with substitution

A die is continuously rolled until the total sum of all rolls exceeds 375. what is the probability that at least 90 rolls are necessary?

A card is chosen at random from a pack of 52 playing cards. What is the probability of a King or a Queen?

The sales tax rate for the state of washington was 5.1%. What is the sales tax on a $5900 car in Washington?

How many pieces of sod need to cover his yard if his yard measures 30 feet by 14 feet

Express the polynomial z2 - z4 + 2z2 in standard form and then classify it.

An insurance company makes money according to earnings = p (e1) w1 + p (e2) w2, where p (e1) = 0.002641, w1 = - $25,000, p (e2) = 0.997359, and w2 = $193.08. How much does the insurance company earn during the year from this person?

Write an expression that represents the products of q and 5 divided by 2

What digit is in the ten-thousands place in the number 81,473

How to solve 7/9 - 2/3

A scientist is measuring the temperature change and a chemical compound the temperature dropped 11 Fahrenheit per hour from the original temperature after four hours the temperature was 90°F find the compounds original temperature