On a biology test, a student got 25 questions correct but did not pass. on a second attempt, the student got 36 questions correct. what was the percent of increase?

A gumball machine has 280 red gumballs. If the red gumballs are 50% of the total number of gumballs, how many gumballs are in the gumball machine? A. 330 B. 230 C. 560 D. 140

If KLM is 105°, what is the measure of the angle that is supplementary to KLM?

Scientists have calculated that the Earth is 454 000 000 000 years old. How many billion years is this?

In the local coed softball league the male to female ratio is 6:6 if there are a 160 players in the league how many are female

A recipe for cookies requires 2/3 cup of butter. Rama wants to make 3/4 of the recipe. How many cups of butter should Rana use to make the cookies?

Simplify the expressions. 8v - 15v 7d+5 - 4d 12x + 9 - 3x - 4 3 (x - 4) + 5x

Determine whether or not the following question can be considered as a statistical question. Can Melissa's dog run faster than Emily's dog? Possible Answers: Yes No

What is 4/4 as a decimal

Liz earns $432 for a 40-hour work week. She earns $12.48 for each hour of overtime. How much does she earn for a 44 hour week?

Andrews dad brought home a group of 25 parts to build boxcars. 4 parts are steering wheels. what fraction of the part are steering wheels. how do you solve this