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)

I bought 6 and 1/2 pounds of potatoes from the local supermarket for a total price of $5.20 write an equation that would give the total cost of any amount of potatoes in pounds

Sonya is 22 years younger than her mother. the sum of their age is 32. how old are they

Add [1/2x-4+2y]+[2/5x+5-4y]=

From a tank holding 1.54t of fuel oil, 30% is used. How much remains?

28, 53, 45 makes a right triangle

walt averages 98 miles per hourin 4 races. if each race is 95 miles in lenght, how many miles did walt drive in the race?

What are all the sets of numbers for 2/3

What is the square root of 16x36? 4x6 4x18 8x6 8x18

4x-5 (x-2) = 12x+4-x ?

To maintain an acceptable level of chlorine in your pool you add 1.4gallins of chlorine. This is 0.007℅ of the amount of water in your pool. How many gallins of water are in your pool