Without finding the quotient, is the value of the expression ( -3&1/3 + 3&1/2 ) ÷ ( -1/4 ) positive or negative? Explain

For what value of (y) is 3^3/3^y =1/9

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

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work