The standard deviation for a data set is 7. The mean is 249.

What is the margin of error for a confidence level of 95%?

How old will Alyssa be when she is three times younger than her mom? Alyssa is 10.

Which equation applies the associative property of multiplication? A.-125 ⋅ (712 ⋅ 19) ⋅ 85 = (-125 ⋅ 712) ⋅ (19 ⋅ 85) B. 12 ⋅ (58 + 36) = (12 ⋅ 58) + (12 ⋅ 36) C. 49 ⋅ (-38) ⋅ 94 = 49 ⋅ 94 ⋅ (-38) D. (-411 - 23) - 34 = - 411 - (23 - 34)

What is the difference between triangluar prism and triangluar pyramid

A school has two varsity basketball teams. One is the girls' team, and the other is the boys' team. On any given Saturday in December, the probability that the girls' team will have a game is 0.

Which set of measurements makes it possible to draw a unique triangle? A) two angle measures of 35 degrees and 50 degrees B) two side measures of 7 ft and 14 ft C) two side measures of 12 ft and 8 ft, and a non-included angle measure of 30 degrees

Find the inverse of A (r) = 15+3r

What is the 7 described as in 2 x 5 + 7 (3 + 13) ?

Write an expression that is equivalent to 4 (x+2y)

For an employee training, the employee to instructor ratio is 18 to 2. If there are 20 instructors for the training, how many employees participated in the training?

Marisa drank one cup of milk and ate x small vanilla cookies for a snack. The linear equation below represents y, the total number of calories in Marisa's snack. y = 12x + 120 a. what is the y-intercept represented by this equation? b.