A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is - 1 standard deviation away from the mean.

A student missed 3 problems on a chemistry test and received a grade of 92%. if all the problems were of equal value, how many problems were on the test? round off your answer to the nearest integer

What is 23 1/5 plus 45 7/8

X+2 X-2 2x+y x + 1 what's the answer

Henry and Margo both began traveling around the circular track. Henry is riding a bike, and Margo is walking. It takes Henry 9 minutes to make it all around, Margo takes 12 minutes. How much time will pass until they meet at the starting line?

The base of pyramid A is a rectangle with length of 10 meters and a width of 20 meters. the base of pyramid B is a square with 10 meter sides. the hights of the pyramids are the same

Which polynomial is in standard form? 1+2x-8^2+6x^3 2x^2+6x^3-9x+12 6x^3+5x-3x^2+2 2x^3+4x^2-7x+5

Sonia runs 12 laps in 30 min. Latasha runs 20 laps in 45 min. Determine if the quantities in each pair of ratios are equivalent, and explain your reasoning.

A stranded soldier shoot a signal flare into the air to attract the attention of a nearby plan. The flare has an initial velocity of 1500 feet per second. Its height is defined by the quadratic function below.

1/8 (x-a) + b how do I put that in slope intercept form, and what are the values of A & B

The name of the mountain in Rio de Janeiro's harbor is Mt. Nebo. True False