Ann made a 33-step staircase using 18 toothpicks as shown in the figure. How many toothpicks does she need to add to complete a 55-step staircase?

It is now six minutes past six. What time will it be in six hours and thirty-seven minutes?

How many ways can you make change for $0.40 using only nickels dimes and quarters

What is the derivative of 2x + 3x^2?

Let g (x) = 2x and h (x) = x^2+4 find the value (goh) (0)

12 is what percent less than 24

Are being in the 31-45 age group and having incomes over $60,000 independent? Are being in the 18-30 age group and having incomes between $20,000 and $40,000 independent?

Solve for x: -4x + 8 = 42 x =

Hey skydiver pair shoes to the ground. The height Y (in feet) of the skydiver after X seconds is y=-10x + 3000 A) Interpret the X intercept and slope

A deposit of $12,000 is made into a savings account which earns 4 3/5 % interest compounded quarterly. If no additional deposits or withdrawals are made, which amount is the total balance at the end of 3 years? A) $13,733.34 B) $13,754.19 C) $13,764.

A rope is 54 inches and must be cht into two pieces. If one piece must be twice as long as the other, find the shortest piece