Tina is saving to buy a notebook computer. she has two options. the first option is to put
$400 away initially and save $10 every month. the second option is to put $100 away
initially and save $30 every month. after how many months would tina save the same
amount using either option? how much would she save with either option?

The formula for the volume of a rectangular prism is v = lwh. a rectangular prism has a length of 2y 3 and width of 5y. the volume of the prism is 20y 10 + 70y 4 . what is the height of the prism? show your work.

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88