Which equation is the inverse of y=9x^2-4

4x + 5x + 12 = - 6 (given) 9x + 12 = - 6 (simplify) 9x = - 18 (subtraction) x = - 2 (addition) Which reason is incorrect?

Hugo is buying DVDs that cost $15 each. He has a coupon for $5 off his total purchase. Write an equation to find the c the total amount he will spend on any number of DVDs d. Then use the equation to find the amount he will spend if he buys 6 DVDs.

Py Hollow. B. It makes him think about creating scary stories of his own. C. It makes him nervous and fearful at night. D. It makes him fall asleep next to the brook by his schoolhouse.

Marvin is buying a new computer on layaway for $302. if he makes a down payment of $50 and pays $28 each week, how many weeks will it take marvin to pay for the computer

It is reported that 32% of shoppers use cash to pay for their purchases. Based on this report, if a store has 250 sales in one day, how many shoppers could be expected to pay with cash?

This season, the probability that the Yankees will win a game is 0.59 and the probability that the Yankees will score 5 or more runs in a game is 0.45. The probability that the Yankees lose and score fewer than 5 runs is 0.33.

In a high school the ratio of make to female is 8:5, when 400 senior males are removed and 300 senior females are removed, the ratio is 8:3. the number of students in the whole school is?

The 5th graders were given sandwiches for lunch during their field trip. Nathan at 5/6 of his sandwich, Leroy ate 7/8 of his sandwich, and Sofia ate 5/8. Who ate the greatest amount of their sandwich?

7. A rectangular play area is to be bounded by 120 m of fencing. Determine the maximum area and the dimensions of this rectangle.

A stray dog ate 13 of your muffins. that was 3/10 of all of them. with how many did you start with