Eli wants to combine 0. 5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution. How much of the 35% acid solution should Eli add? gallon.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?