Rachel made a mosaic from different color rectangular tiles. Three tiles measured 3 inches 3 1/2 ×inches. Six tiles measured 4 inches 3 1/4 inches. What is the area of the whole mosaic in square inches? Show your thinking.

Solve the following. Show your thinking.
A. 4,375 × 32 B. 3,402 × 29 C. 6,255 × 256

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?