Which expression below shows another way to write 84 O 8X4
O 4x4 x 4 x 4 x 4 x 4 x 4 x 4
O 8 + 8 + 8 + 8
O 8 X 8 X 8 X 8

Tim earns $120 plus $30 for each lawn he mows. write an iniqualityvto represent how many lawns he needs to mow to make more than $310

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?