Solve by substitution. 7x+2y=-19 and - x+2y=21

True or false If an original expression is defined for all values of x, you do not need to specify the absolute value in the simplified expression

A painter used 20 drops of red paint to make a certain shade of pink. How many drops of white paint should he add to 12 drops of red paint to make the same shade?

On polygonia mangos, pineapple, and papayas are grown. which fruit is grown on the most farm. Total farmland=64square kilometer 15 out of 24 farms grow mango. 60% of the farms grows pineapple 0.65 of the farms grow papaya

Which statements accurately describe the function f (x) = 3 (16) ^3/4? Check all that apply. The initial value is 3. The initial value is 48. The domain is x > 0. The range is y >0. The simplified base is 12. The simplified base is 8.

Which operation would you use to solve the problem; Every car in the parking lot has 4 wheels. If there are 9 cars in the lot, how many wheels are there altogether?

If f (x) = 0.2 (6-x), what is the value of f (-4) ?

Select the correct answer. What transaction occurs when an investor decides to liquidate assets? A. buy OB. hold OC. sell OD. speculate

What is = to 5/10? With the denominator of 6?

In 1943 the temperature in rapid city South Dakota fell about 45 degrees in 5 minutes what was the average drop in temperature per minute

Write an equivalent expression to - 2 (1.5h+5) - 4 (-0.5+3h)