The sound intensity of a typical vacuum cleaner is 80 dB (decibels). Sound intensity of 160 dB will burst an eardrum. How many times louder is the sound that will burst an eardrum than the sound of a vacuum cleaner?

Robert is 4 years older than Sara. Six years ago Robert was twice as old as Sara was then. How old are they now?

3x to the 2nd power + 9x + 6 use FOIL

Ronaldo has 50/250 BI liability insurance. He loses control of his car and injures 18 children in a Little League game, and each child is awarded $20,000 as a result of a lawsuit.

Select two ratios that are equivalent to 2:92:92, colon, 9. Choose 2 answers: Choose 2 answers: (Choice A) A 9:29:29, colon, 2 (Choice B) B 18:8118:8118, colon, 81 (Choice C) C 12:5412:5412, colon, 54 (Choice D) D 18:418:418, colon, 4 (Choice E) E

If A = (1, 4) B = (3, 1) and C = (6, 3), classify the the following triangle as either equilateral or right. Type the word equilateral or right in the blank

There is two questions! A two-dimensional figure with four sides has 2 pairs of opposite parallel sides, 4 congruent sides, and 4 right angles. Classify this figure in as many ways as possible. Select each correct answer.

Write an equation for each translation of y = lxl. 7 units right y = | x | - 7 y = | x | + 7 y = | x + 7 | y = | x - 7 |

Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P (red and blue). A. 4/3 B. 2/3 C. 7/9 D. 4/27

A car is priced at $7200 after a 10% discount then a 20% additional discount. What is the original price of the car?

Solve: - h/88 - 4/8 = 4/8.