Which describes a method for solving systems of equations in which you

plug in an expression for one variable written in the terms of the other?

What does 7 (p + q + 9) equal

Julio is paid 1.2 times its normal hourly rate for each hour he works over 32 hours in a week. Last week he worked 45 hours and earned $656.88.

What are common denominators for 1/2 and 1/4

What is the variable equal to? 6x = 24 x = 5 x = 4 x = 144 x = 3

Which data set has the widest spread? A. data set A: 3, 1, 2, 6, 7, 2, 5 B. data set B: 4, 9, 4, 5, 3, 6, 8 C. data set C: 1, 4, 6, 5, 7, 8, 5 D. data set D: 4, 3, 4, 7, 2, 3, 1 E. data set E: 5, 1, 4, 2, 6, 9, 2

When the health department tested private wells in a county for two impurities commonly found in drinking water, it found that 20% of the wells had neither impurity, 40% had impurity A, and 50% had impurity B. (Obviously, some had both impurities.

The system of equations above has how many solutions?

Verbalize 2 (n^3+3n^2) = 4n

Erin byus a bag of peanuts that weighs three fourths of a pound. Later that week, the bag is two thirds full. how much does the bag of peanuts weigh now? Show your work.

Amber got a raise, and her hourly wage increased from $8 to $9.50. What is the percent increase?