Gina has 20 collector's stamps. 8 stamps are blue, 6 are red, and 5 have both colors. if a stamp is chosen at random, what is the probability that the stamp has a blue or red color on it?

Without performing the calculations, which expression equals the greatest value? A) 1 2 * (2 + 7) B) 1 3 * (2 + 7) C) 1 4 * (2 + 7) D) 1 6 * (2 + 7)

Mr. Lamb built a stone walkway in his back yard. Each stone was 5/6 foot long. How many stones did it take him if the walkway was 10 feet long?

Alyssa exercises 5 times a week. She runs 3 miles each morning and bikes in the evening. if she exercises a total of 30 miles for the week, how many miles does she bike each evening.

What is the quotient of (x+3x2 - 4x = 12) + (x2+5x+6) ? x+2 x-2 x-8 X + 8

A gear on a bicycle has the shape of a circle one gear has a diameter Of 4 inches and a smaller one has a diameter of 2 inches Justin says that the circumference of the larger gear is 2 inches more in the circumference of the smaller gear do you

Denise put $95 into an account that pays 5.2% interest, compounded monthly. According to the rule of 72, approximately how long will it take for her money to double?

What is the percent change between 20% and 30%

What is the recursive rule for this geometric sequence? 3, 3/2, 3/4, 3/8

What is two plus three?; )

The regular price of a calculator is $15.40. it goes on sale for 30% off the regular price. what is the amount of savings on the calculator