Superman needs to save lois. after flying for 10 seconds he is 1520 meters from her then at 15 seconds he is 1230 meters from her. what is supermans average rate

Asap 25 pts + brainlest to right/best answer

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n