When a sound wave uncounters a barrier, what happens?
a. the sound reflects
b. the sound is amplified
c. the sound is muffled
d. the sound dissipates

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

Lowest fraction using common term 28/35