a house is 20 feet tall and it cast a shadow 50 feet long. there is a nearby building that, at the same time, casts a shadow 420 feet long. how tall is the building

Give an example of a real-world situation in which you would find the percent of a number.

How many mm are in 3cm?

Robert can do 12 belly-flops per hour. Timmy can do 16 belly-flops per hour. Together, how many hours would it take for them to do 112 belly-flops

Olive's Pizza Kitchen has a new oven that is shaped like a rectangular prism. Inside, the oven is 5 feet wide and 5 feet deep so it can bake their super large pizzas. It is also 3 feet high. What is the oven's volume?

Francis earns a weekly salary of $475 plus a 5.5% commission on sales at a gift shop how much would he earn in us week if you sold $700 in goods round to the nearest cent

If y varies directly as x, and y is 6 when his 72, what is the value of y when is 8

Substitute t=3 and t=5 to determine if the two expressions are equivalent

X + 13 = 7x+1 Solve for x and show steps

A wheel turns 1,800 revolutions per minute. How fast does it turn in radians per second?

Julio sold half of his comic books and then bought 14 more. he now has 28. with how many did he begin?