Is a square a rhombus? explain

If the mean of a normal distribution is negative: a. the standard deviation must also be negative. b. the variance must also be negative. c. a mistake has been made in the computations, because the mean of a normal distribution can not be negatived.

You run 7 miles in one hour and 14 miles in two hours

A store bought 9 cases of light bulbs in may and 8cases in june. there are 48 light bulbs in a case. how many light bulbs did the store buy in may and june

Twenty is the same as nine less than the quotient of a number and four.

Which systems of equations have an infinite number of solutions? Choose all answers that are correct. a. y=3x+1 - 3x+y=1b) x=-2 x=7c) y=-x = -x+4d) x+y=5 y=5-x

What is the mass in kilograms of a 100-lb person on earth?

16=3 (4) ^x-11 is what?

How do you convert 65 degrees Fahrenheit to Celsius?

Fraction 9 1/3 2/3 what would be my answer

Emily saved 25 coins. she saved quarters and one-dollar coins only. if she had a total of $12.25, how many quarters did she have?