A young tree is

16 inches tall. One

year later, it'is 20

inches tall. What is the

percent increase in

height?

Margaret wants to call her friend overseas. There is a connection fee of $3 and a charge of $1.40 per minute. So the cost of the call is 3+1.4t dollars for t minutes. Can she talk for 15 minutes without going over a budget of $25?

A stack of 8 different cards are shuffled and spread out face down. if 5 cards are turned face up, how many different 5-card combinations are possible?

On Tuesday, a local hamburger shop sold a combined total of 312 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Tuesday?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. Suppose also that p and x are both functions of time, measured in days.

4s^3 t^-4:8s^6t^7?

A smaller number is 3 less than half a larger number. The larger number is 10 times 1 less than the smaller number. Let x represent the smaller number, and let y represent the larger number. Which equations can be used to model the situation?

You have 5 pieces of wood. What is the total length of the wood? 73cm, 1.6m, 2.87m, 325cm and 4.04m

10. The length of the hypotenuse of a 30°-60°-90° triangle is 16. What is the perimeter? 64+8 square root 3 24+8 square root 3 16+64 square root 3 8+24 square root 3

The regression equation you found for the water lilies is y = 3.915 (1.106) x. In terms of the water lily population change, the value 3.915 represents: The value 1.106 represents:

Super Turbo Mega Double Double Extra Credit: The Earth's total diameter is 12700 kilometers, with the solidified, ocean-covered crust that is at its thickest 35 kilometers wide.