Kaitlyn missed 15% of the 20 questions on her science lab. how many questions did kaitlyn answer correctly?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points