Which pair of ratios form a proportion?

a. 8:14 and 22:40

b. 10:18 and 25:45

c. 12:20 and 25:40

d. 14:30 and 22:45

Find the area of a circle with a radius of 21 feet. Use 22/7 for pi.

Faisal is conditioning all winter to prepare for his college's hockey team tryouts. He is incorporating barbell deadlifts into his daily workout regime.

Taylin buys 5 ounces of tea leaves for $2.35. At this rate, how much money does she need to buy 12 ounces of tea leaves?

Green sea turtles can grow to be more than 3 feet long the aquarium has one sea turtle that weighs 264 pounds and a younger turtle that weighs 186 pounds to the nearest hundred what is the weight of the 2 sea turtles together

What is the probability that a data value in a normal distribution is between a z-score of - 0.56 and a z-score of 1.12? Round your answer to the nearest tenth of a percent.

A bag contains 5 oranges, 4 bananas, and 3 apples. If Mr. Hall reaches in the bag and chooses one piece of fruit at random, what is the probability that he will NOT choose an orange? A) 7/12 B) 1/4 C) 2/4 D) 5/12

what is 108 centimeters

What is the forecast for period 16 using the three-period weighted method? (weights are t=0.5, t-1=0.4 and t-2=0.1) a. less than or equal to 890 b. greater than 890 but less than or equal to 900 c. greater than 900 but less than or equal to 910 d.

What is the lowest common multiple of 3 and 4

Gigi spent 12% of her birthday money on a new pair of sunglasses. What fraction of her birthday money did she spend in the new sunglasses