Decide whether the rates are equivalent. 17 heartbeats in 15 seconds or 68 heartbeats in 60 seconds. I don't get it.

Express the ratio in simplest form 36:20

Kai calculates that he spends 15% of the school day in science class. If he spends 42 minutes in science class, how many minutes does Kai spend in school each day? Can someone tell me how to do that with fractions and cross products or something

Is 27 a perfect square?

What percent of 30 is 27? A) 9% B) 90% C) 11.1% D) 36%

Bobby buys 3kg of rabbit food here is a label on food (feed your rabbit 25g for each kg of its body weight each day). the rabbit has a body weight of 2 kg. bobby thinks the 3 kg of food will last more than 35 days.

The odds against rolling a number greater than 2 are

Which equation can be used to find the volume of this solid? A triangular prism. The triangular base has a base of 11 inches and height of 7 inches. The height is 9 inches. V = 11 times 9 times 7 V = 11 + 9 + 7

An equilateral triangle is an acute triangle

Solve the following equation: 12 (b+2) + 3b=-1 Enter your answer as a fraction.

How many permutations are there for the letters in the word rearranged?