Dirk can clean a playground in 5 hours. Geralyn can clean a playground in only 4 hours. Which of the following can be used to determine the amount of time it would take for Dirk and Geralyn to clean a playground together?

During the election for class president, 40% of the students voted for Gerardo, 35% of the students voted for Leandro, and 25% of the students voted for Juju. 70 students voted for Leandro. How many more students voted for Gerardo than for Juju?

The diameter of a circle is 4 meters. What is the circle's circumference?

What are 2 equivalent fractions for 7/21

At midnight, the temperature in Alto is - 3.8°C. The wind chill makes the temperature feel 5.6°C colder than the actual tamperature. What is the wind-chill tempeture?

Which coupon will save me the most money on a new jacket that is priced at $36.50? 15% off your purchase or $5.00 off your purchase? Why? Justify your answer

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A recipe requires 300 milliliters of milk. Sara decides to triple the recipe for dinner. How many milliliters of milk does she need to cook dinner?

The perimeter of a rectangular painting is 274 centimeters. If the width of the painting is 63 centimeters, what is its length?

Taylor wants to paint his rectangular deck that 42 feet long and 28 feet wide. A gallon of paint covers about 350 square feet. How many gallons of paint will Taylor need to cover the entire deck?

V (v-1) - 2 (1-v) how to solve this