Find a polynomial, which if substituted for M will make the equation an identity:

M+M=8x^2-4x-6

A bag contains 9 blue marbles and 3 red marbles. two marbles are drawn at random and at the same time. what is the probability of getting two blue marbles

Jess spent 7x minutes on the computer. Her sister spent 5 x + 10 minutes on the computer, which was the same amount of time Jess spent. How many minutes was Jess on the computer?

If i spent 1/3 of my money, and then spent 1/4 of my money then also spend 1/2 of my money. How much money do I have left, in fraction form?

Write a definition for term perimeter

A population of bacteria doubles every 12 hours initially the population of bacteria is 80 what is the population of bacteria after 30 hours, rounded to the nearest whole number?

What is the answer to 1/8 (8x+15) = 24

A equation of a line that passes throgh (2,-1) and has a slope of - 3

Adding - 34 is the same as subtracting what number?

The smith family is shopping for a new car and they are basing decision on color and style. Explain how many color choices and how many style choices they might have if there are 8 possible outcomes. Justify your answer

Ann received a $70 gift card for a coffee store. She used it in buying some coffee that cost $8.18 per pound. After buying the coffee, she had $29.10 left on her card. How many pounds of coffee did she buy?