Ofelia has a certain amount of money. if she spends $12 then she has 1/5 of the original amount left. how much money did Ofelia have originally?

How many times does 189 go into 1294

M is directly proportional to r^3 when r=4, m=160. work out the value of m when r=2

Find the surface area of a sphere with a great circle that has an area of 49 π square miles. A. 225π mi2 B. 196 π mi2 C. 126 π mi2 D. 343 π mi2

If bd=35, find length x

How much would you pay for 2.5 ounces of gold at the price of $1200 per ounce

On a map 1 inch equals 18.4 miles. If two cities are 4.5 inches apart on the map, how far are they actually apart?

What is 66 tens-30 tens

A measuring cup holds 250 mL. How many times must the measuring cup be filled to measure 1 L of water?

What is y in the equation 14-6y=44

The period T (in seconds) of a pendulum is given by T=2/pi / sqrt ((L) / (32)), where L stands for the length (in feet) of the pendulum. If / pi = 3.14, and the period is 1.57 seconds, what is the length?