P (x) = 4x^4+8x^3-7x^2-21x-9 what is the rational zero

Factor x2 + 10x - 18. prime (x + 3) (x - 6) (x - 2) (x - 9) (x - 2) (x + 5)

Ricardo ran the 400-meter race 3 times. His fastest time was 54.3 seconds. His slowest time was 56.1 seconds. If his average time was 55.0 seconds, what was his time for the third race?

What is the answer to 7.5135*10 cubed

Earned income and capital gains (or "portfolio income") are acquired in different ways. Which statement describes how they are different?

A class rolled number cubes. their results are shown in the table. what is rhe experimental probability of rolling the number 2

If 24 students took a test and 18 passed how much percent passed?

A 9 kg bag of mangoes for $12 what is it per kg

Write an equivalent expression. (-11f) - 2 (-f - 4) - 10

The price of a tent was decreased by 15% and sold for $76.49. What was the orginal price of tent in dollars

Simplify the expression 10 + - 6u + - 5 (-6u + - 10)