If A is at -4 and B is at 7, what is the distance between A and B? O 11
O 9
O 12
0 10

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much