Mathematics achievement test scores for 300 students had a mean and a variance equal to 550 and 3,600, respectively. If the distribution of test scores was mound-shaped, approximately how many of the scores would fall in the interval 490 to 610? (Round your answer to the nearest whole number.)

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)