A special truck is clearing the surface of the ice rink shown below. The figure is composed of a square and two scientist​

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).