A biologist has a 40% solution and a 10% solution of the same plant nutrient. How many cubic centimeters of each solution should be mixed to obtain 25 cc of a 16% solution?

What is the third quartile of the data set? 23, 35, 55, 61, 64, 67, 68, 71, 75, 94, 99

At an animal rehabilitation center the baby armadillos need to be fed every four hours and the baby bats need to be fed every three hours if the bats and armadillos are both fed at 7:00 AM when will they be fed again at the same time

Which expression is equivalent to 5.4-1.8? A. - 1.8+5.4 B.-1.8-5.4 C. 1.8 + 5.4 D. 1.8-5.4

What two ratios are equivalent to 11/12

Find the domain of (90,660)

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.