What exclusions are placed on the variable a for the fraction (a^2 + 4m) / a^2+4?

a - 2

b. 0

c. none

Notice: The parenthesis around a^2m+4m is there to show that the whole equation is being divided by a^2+4

Find the product of 2and 3 and then take away 5

A tree cast shadow that is 24 ft long. a 4-ft tall young boy casts a shadow that is 3 ft long. the two triangels created are similar. how tall is the tree?

Solve 4 (3x-1) = 2 (x+3)

1. A student measures the distance from their class to the drinking fountain as 6 meters and 57 more centimeters. How would this be written in meters (m) ? 2. A student measures width of their textbook to be 36 centimeters.

A reasonable estimate for a mass of a baby is

Ten friends share 6 pizzas equally. What fraction of a pizza does each friend get?

If the average of the numbers 3, 4, x, y, and 2 is 4, what is the value of x+y?

Molly bought a case of bottled water at the store. The case contains 48 bottles. Molly knows that she will drink 3 bottles of water each day and plans to restock her supply of water once she has fewer than 10 bottles left.

A worker draws a 1/5 scale drawing of the top of a small air conditioning unit. The drawing is a small air conditioning unit. The drawing is a rectangle with a length of 4 inches and a width of 2 inches.

Mrs. Ellis dumps out her change purse and finds that she has 26 coins, all dimes and quarters, for a total of $4.85. how many more quarters does she have than dimes.