Which equation could be used to solve problems involving the relationships between the angles?

A. 90 + (8a + 9) = (11 + 2a)

B. 90 - (8a + 9) = (11 + 2a)

C. (11 + 2a) - 90 = (8a + 9)

D. (8a + 9) - (11 + 2a) = 90

What two numbers multiply to - 120 and add up to - 37

a recipe uses 5 cups of flour for every 2 cups of sugar how much flour is needed for 7 cups of sugar

A population of rodents contained 703 individuals at the end of march. During the month of april, 47 died, 17 were born, 57 immigrated, and 16 emigrated. What was the population size after those events?

If arc VY = 132° and < YUV = 41°, what is the measure of arc XV

The radius of a circle is 7.2 cm. If a central angle measures 112°, what is the length of its intercepted arc to the nearest hundredth?

It is recommended that you have 8 servings of water per day. A serving of water is about 237 mL. If Carmelo drank 7 servings, about how many liters of water did he drink?

What is 5,000 in scientific notation?

Which of the following is correct set notation? (1,2,3) 1,2,3 {1,2,3} none of the above

The kindergarten teacher wants to divide 1/2 of her classroom into 5 equal sections for stations

A train traveling at 30 miles per hour reaches a tunnel which is 9 times as long as the train. If the train takes 2 minutes to completely clear the tunnel, how long is the train in miles? (1 mile = 5,280 feet)