Given a normal distribution with a mean of 128 and a standard deviation of 15, what percentage of values is within the interval 83 to 173?

A. 32%

B. 50%

C. 68%

D. 95%

E. 99.7%

128 is one forth of what number

If PQR measures 75°, what is the measure of SQR?

Minimize the objective function P=20x+16y

How would you prove that the triangle below is equilateral? Idk How to add pics, the pic is just a equilateral triangle Show all angles to be congruent. Show two sides are of equal measure. Show at least two sides to be congruent.

Find the percent of change if the original cost was $5 and the new cost is $1.

Find the domain of f (x) = - 4x + 2 for the range {-5, 2, 6, 18).

What is the sale price if the original price is 112$ and the percent of discount is 32%

Simplifiy by combining like terms 6x+3*+2*+4r

Which calculation can be used to find the value of y in the equation y3 = 27?

What is the range of y = 3 (x - 5) 2 + 10?