Using the properties of rational exponents, which expression is equivalent to m2?
A)
m2
B)
m8
C)
m4
D)
m6

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?