Anna baked 3 batches of cookies with cookies in each bath she then ate 8 cookies How many cookies does Anna have left? Write your answer as an expression.

What's the area of 7.4cm and 4.5cm

If c (x) = 2x^2 - 4x + 3 17. c (3a) 18. c (b^2)

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6times as much money as Francine. How much money does Hannah have?

Evaluate. 12+4⋅3-15 Enter your answer in the box.

Gerri is working on a project that needs to be halfway completed by Friday. So far, she has completed 1/3 of the project. How much of the project does she have to finish by Friday

Does choosing a blue marble represent the complement event of choosing a red marble? Explain.

If 12 counters are three-fourths of a set of counters, draw a full set of these counters.

There is a 50-50 chance that the queen carries the gene for hemophilia. If she is a carrier, then each prince has a 50-50 chance of having hemophilia.

A trade magazine routinely checks the drive-through service times of fast-food restaurants. An 80 % confidence interval that results from examining 576 customers in one fast-food chain's drive-through has a lower bound of 178.

2. Which of the following ratios is equivalent to 12/20?