A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the second brand is 80% pure antifreeze. In order to obtain 120 gallons of a mixture that contains 80% pure antifreeze, how many gallons of each brand of antifreeze must be used?

answer: h

step-by-step explanation:

add them

step-by-step explanation:

idk you did not give the options or numbers so you cant solve it

mariah is studying the life cycle of the monarch butterfly. she must choose one stage in the cycle to present in science class: egg, caterpillar, chrysalis, or adult. she plans to make her choice randomly using a custom spinner divided into four sections. first, however, she spins the spinner 50 times to see the frequencies it generates.

stage times landed on

egg 10

caterpillar 12

chrysalis 15

adult 13

step-by-step explanation: