4a + 2z = 10

-3a + Z = - 10

What is the value of 10a

What is the simplified expression for - 3 (2x - y) + 2y + 2 (x+y) 2 O 8x+y o y-4x 0 7x-4x 0-4x-y

What the unit rate in 14 hours in 2 weeks

What is the probability of pulling two softballs that are the same color, when you replace the first ball

Janice deposited $750 in a savings account that earns 3.5% simple interest. How much interest has Janice earned by the end of the first year? A.$776.25 B.$214.29 C.$2,625.00 D.$26.25

Write eighteen hundredths as a decimal.

Divide 20 to the 7th power by 5; then add 66

A company is expanding its building area from 16,000 square feet to 19,360 square feet. What is the percentage increase of the area of the building space? 2.1% 21% 79% 33.6%

Eddie has 1 2 4 cups of tomato sauce in his pantry. The spaghetti sauce he is preparing requires 2 4 8 cups. How much more tomato sauce will Eddie need to prepare the spaghetti sauce? A) 1 2 4 cups B) 1 cup C) 1 2 12 cups Eliminate D) 1 6 12 cups

Find the total area for the regular pyramid. T. A. =

One student in an experiment on the rock cycle the steps of the experiment are shown below. • collect five pieces of wax of different colors. • use a plastic knife to scrape off then shavings of the pieces of wax.