Factor completely

3x²-48

The sum of - 15x2 - 5x + 11 and another polynomial expression is - 9x2 + 3x - 10. What is the other polynomial expression?

On a manufacturers assembly line 3% of its merchandise comes off defective. If the company has 354 defective items how many total items come off the line?

Robin rides a personal watercraft 75° west of south at 70 miles/hour. The water current is moving 6 miles/hour at an angle of 75° south of west. What is the actual speed (rounded to the nearest hundredth) of Robin's watercraft?

In the US 13 of every 20 cans are recycled. What percent of cans are recycled? Solve using a proportion. Show all work.

How do you isolate x in 1/2x+1/5y=9

Natalie is opening a clothing store. She plans to start by selling gym shorts. It costs her $7 for each pair of shorts, $3 per box for the shorts, and $0.25 a bag.

What is the equation of a line that passes through (0, 5) and (-10, 0)

What is 7 square root 4 to the power of 3?

What is the degree of this polynomial? - 11x^3+10x

Macie just bought a new fish tank. The fish tank is a cube with a side length of 1.75 feet. She is going to fill the fish tank using a small plastic container she found in her kitchen cupboard by filling it at the sink, walking it to the tank,