Solve this problem what is the answer x=4.7+8.3

The trail starts at P (-2, 2) and goes to Q (5, 2). It goes from Q to R (5, - 5) and then to S (8, - 5). What is the total length (in units) of the biking trail? 10 16 17 18

Bob climbs a mountain, but starts below sea level. He climbs the same number of feet each hour. If the function showing his elevation for any hour is y = 850x - 325, what elevation, in feet, did he start at? A. 325 B. 850 C. -850 D. -325

If you earn $5.20 a hour, how much would you earn in cents in one week?

Is this equation a linear function? If so give the intersepts 12x+3y=6

Write 0.735 as a simplified fraction

A sample of 81 calculus students at a large college had a mean mathematics ACT score of 26 with a standard deviation of 6. Find a 95% confidence interval for the mean mathematics ACT score for all calculus students at this college.

A pet store has 7 cats. Here are their weights (in pounds). 12, 16, 8, 13, 10, 14, 16 Find the mean weight of these cats. If necessary, round your answer to the nearest tenth.

When 20 is subtracted from7 times a certain number the result is 134 what is the number

There were 57 cars in a parking lot then 34 more cars drove in and part some cars drove away now there are 66 cars in the parking lot how many cars drove away

Stephen hit a baseball 10 out of 30 times. What is the experimental probability that he will hit the ball the next Try?