Find the central angle of a sector of a circle if the area of the sector and the area of the remaining part of the circle are in the proportion 4 : 5 (with explanation)

What is the value of this expression (11-t) x[ (15+t) / t]

How many lines of reflective symmetry does an equilateral triangle have

How do you simplify 2 (3y-3)

Tanisha jogs about 8 miles in 2 hours. How long will it take her to jog 12 miles?

For his long distance phone service, Chang pays an $ 8 monthly fee plus 6 cents per minute. Last month, Chang's long distance bill was $ 11.96. For how many minutes was Chang billed?

Sunny earns $12 per hour delivering cakes. She worked for x hours this week. Unfortunately, she was charged $15 for a late delivery on Tuesday. How much money did Sunny earn this weekend?

One track coach wants her athletes to race 2 miles around a track to measure how fast each person can run? If the track is 2/3 of a mile around, then how many laps around the track will athletes have to run to complete the race?

Which of the following is a composite number? 48 67 13 31

What is a like radical to cube root 54 after simplifying

168 h; days what do i do