Ricardo ran the 400-meter race 3 times. His fastest time was 54.3 seconds. His slowest

time was 56.1 seconds. If his average time was 55.0 seconds, what was his time for the

third race?

kiersten has 23 red balloons. Catherine has 8 times more red balloons than Spirit. How many more red balloons does catherine have than kiersten?

The angle supplementary to 87 degrees is ...

A survey found that 78% of students do their homework before 10:00 P. M. Predict how many students out of 975 do their homework before 10:00 P. M. a. about 761 b. about 78 c. about 800 d. about 13

there are 6rows of 16 chairs set up for the third grade play, in the first 4 rows two chairs on each end are reserved for teachers the rest of the chairs are for students how many chair are there for stugents?

Danica is arranging flowers for a party. On each table, t, there will be a vase of 9 flowers and 3 bowls of flowers with f flowers inside. Danica needs an additional 12 flowers for a cake topper.

Many factors need to be considered when buying a car, including style, color, gas mileage, and cost. Examine these choices and determine which represents a compound event.

Bus A and Bus B leave the bus depot at 8 am. Bus A takes 25 minutes to do its route and bus B takes 35 minutes to complete its route. At what time are they both back at the bus depot together? Give your answer as a 12-hour clock tim

Which type of star system has the MOST stars? Open cluster Globular cluster Eclipsing binary Binary star system

You paid $28 in tax when you bought a $350 bike. What was the percent tax?

30% off coupon of a $750 t-shirt