Rounded to three decimal places, what is the value or r for this set of data?

x=8,15,3,7,2,14,20

y=50,75,23,31,18,68,98

1) 0.870

2) 0.897

3) 0.978

4) 0.989

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

What is the y-intercept of the function y = - 2 (2) ^x + 2?

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?