The cost of a new house can be represented by the regression equation c = 120f +90,000, where $120 is the cost per square foot and $90,000 is the cost of the lot. A new house on a lot costs $438,000.
How many square feet does it have?

What is 1/2 x (6 x 4)+3 + 2 show your work

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Simplify using positive exponents only.