Assume that the radius r of a sphere is expanding at a rate of 40 cm/min. The volume of a sphere is

V = 4/3πr^3 and its surface area is 4πr^2. Determine the rate of change in surface area when r = 10 cm.

If r is the radius of a circle and d is diameter which is an equivalent formula for the circumference C=2pi r? C=pid C=pi d2 C=pi rd C = 2pi d

If you wanted to describe an increase in volume to your class which of the following objects would be the best item to use? A) a wooden box with holes B) a rock and cup of water C) ice in a glass and a thermometer D) a soccer ball and a pump

Which expression is equivalent to 14-9? A) - 14=9 B) - 9-14 C) 9-14 D) 14 + (-9)

Canrjjduanto es 46*67

Mitchell went into the candy store to buy some bubble gum. The gum costs $1.52 and has 8 pieces. What is the unit rate for a piece of gum? 19 1 19 8 $0.19 1 piece $0.19 8 pieces

Rewrite the quadratic function instandard from f (x) = x^2-14x+36

Rewrite the following expression in three different ways 5 (6-2z)

What is number pattern

A triangle has sides with lengths of 60 yards, 63 yards, and 87 yards. Is it a right triangle? Yes or No

The squirrel stored seven more than three times as many nuts as the chipmunk. The chipmunk stored x acorns. Write an expression that shows how many acorns the squirrel stored.