Evaluate 5x²-4 when x = 3

Rohan is baking chocolate chip cookies he found a recipe that calls for 3.75 cups of sugar and it serves five people if he wants to have enough chocolate chip cookies for 12 friends how many cups of sugar does Rohan need

Explain when it would be useful to estimate.

Given m with arrow = 6 î + 2 ĵ - 3 k and n with arrow = 5 î - 2 ĵ - 3 k, calculate the vector product m with arrow ✕ n with arrow.

A quarter weighs 6 grams how much would $2.50 in quarters weigh

Simplify 6 plus the square root of negative 80.

What is the amount of money an item is increased above the original price?

Which algebraic expression represents this phrase? the product of 40 and the distance to the finish line 49+d 40-d 40•d 40/d

1/2:-41/15 is equivalent to 15/82 What process was used

Find the median for the data set: 78, 160, 55, 58, 73, 37, 176, 107, 164, 144, 191 and 1.

Jenny is painting a toy chest that she made for her little brother. if the box is 4 feet long, 3 feet wide, and 2 feel tall, what is the surface area of the box to be painted? Okay so i think i have it figured out, would the surface area be 42?