What is the probability of rolling a prime number of a standard 20-sided die? (1 is not a prime number.)

a. 7/20

b. 2/5

c. 9/20

d. 1/2

Three bags of flour and two bags of sugar wait 32 pounds four bags of sugar wait 32 pounds all bags of flour wait to save it all back to sugar wait to say what is the ratio of the weight of bag of flour two with bag of sugar

4. Determine the center and radius of each circle. a. 3x2^+3y^2=75 b. 2 (x+1) ^2+2 (y+2) ^2=10 c. 4 (x-2) ^2+4 (y-9) ^2-64=0

A one year member ship to a gym cost $725. The registration fee is $125, and the remaining amount is paid monthly. Define a variable then write an equation to find the how much new members pay each month.

The quantities s and t are positive and are related by the equation s=k/t, where k is a constant. if the value of S increased by 50 percent, then the value of T decreases by what percent? ... ?

If ribbon costs10 cents per foot what is the total cost of the ribbon in dollars. explain your reason including how u decided where to place the decimal

A basketball could have a volume of? A) 5,356 cm B) 5,356 cm2 C) 5,356 cm3 D) 5,356 cm4

Rectangle a has area 40 cm square and length 8 cm. the area of rectangle b is one half the area of rectangle a. the rectangles have the same length. what is the width of rectangle b?

Simplify the expression completely. (33/2 - 31/2) - 2

Write fraction as a decimal 7/11

Jane paid a total of $79 for a pair of shoes and 2 hats. The price of each hat was $12. Use rounding toestimate how much Jane paid for the pair of shoes.