Which expression is equivalent to (2x2 - 4) - (-3x2 + 2x - 7) ?

A) 5x² - 2x + 3

B) 5x2 + 2x - 3

C) - x2 - 2x - 11

D) x² + 2x - 11

The first of two films lasted 3 minutes less than twice as long as the second. Together the two films lasted 132 minutes. How long was the first film?

253! divided by 252!

Explain how perpendicular lines can be used to construct a line parallel to a given line

The perimeter of a rectangle is 37. The length is 1 less than 12 times the width. What is the length and width of the rectangle?

F (x) = 3x+1 and g (x) = x^2-6 find (f+g) (x)

A satellite orbits Mars. When it reaches S, it is about 12,000 km above the planet. How many arc degrees of the planet are visible to a camera in the satellite?

Jordan wants to estimate the number of students in his school who have their own cell phone. He surveys every eighth person who enters the cafeteria for lunch is this sample biased or unbiased explain

A loan company charged 35% interest on every dollar borrowed. If a person borrowed 177 dollars, how much would they pay in interest?

Describe and correct the error in finding the slope of the line passing through (0,0) and (4,5)

Lois and Joe start saving pennies on new years day. Lois has 5 pennies and saves 2 pennies every day. Joe starts with 4 pennies and saves 6 pennies every day. this situation is kinda embarrassing, considering that they are both in their 30s.