Mandy and Pam each made a bowl of punch. Pam used 9 times as much lemonade as Mandy did. If Mandy used 3/4 of a cup of lemonade, how many cups of lemonade did Pam use?

Which of the following contains a variable?

Apopulation of 1500 insects grows exponentially, by a factor of 3 every week. select all equations that represent or approximate the population, p, as a function of time in days, t, since the time it was 1500.

Which equation shows an equation equivalent to x^2+12x+7=0