Kevin bought 2 pieces of gum and 3 pieces of candy for $3.25. jordan bought 4 pieces of gum and 1 candy bar for $2.75 at the same store. what is the cost of 1 piece of gum and 1 candy bar?

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.