How do i solve this quadratic equation:

-5x^2x+9=0

when it asked me to find the root

If x=10, what algebraic property does 5x=5*10 represent? a) multiplicative identity b) multiplicative inverse c) multiplication property of equality d) associative property of multiplication* I picked d. Is this correct?

There are 218 calories in a kitcat bar. How many calories would there be in 16 kitcat bars?

If a=6, b=-2 what is (ab) squared

Solve the equation 3x+15=3 (x+5)

I have 4 factors three of my factors are 1, 2 and 6 what is my fourth factor

What is the least common multiple of 4 and 10?

A high school athletic department bought 40 soccer uniforms at a cost of $3000. After soccer season they returned some of the uniforms but only received $40 per uniform.

A 1. Given f (x) = 2x + 1 and g (x) = 3x + 1, find: a) f (3) b) g (f (3)) c) g (3)

Ruby has a collection of 16 stuffed animals. She gives 1/4 of her collection to her younger brother. Then she gives half of the remaining animals to her baby sister. How many animals does Ruby give her sister

What is a decimal equivalent of the fraction 32/45