Find the sum of - 7/8 and its opposite

Which set does-17/3 belong to? 1) Integers 2) Whole Numbers 3) Rational Numbers 4) All of the above

How many times does 3 go into 7?

What equation results from completing the square and factoring x2+2*=9 A. (*+1) ^2=10 B. (*+2) ^2=8 C. (*+2) ^2=10 D. (*+1) ^2=8

I buy 5 apples on Monday, and 7 more on Tuesday. How many have I bought in total?

A ticket agency charges a 9.5% fee on all tickets sold. If a ticket costs $40, what is the fee?

fadi plays football every 3 days and swims every 7 days if he did the two activities today, in how many days he will do the two activities

1.3 to the second power

2 (2t+4) = 34 (24-8t) solve for t

Jose must plant 380 trees. In the past 7 days Jose planted 266 trees. If he continues at this rate, how many more days will it take him to plant all the trees?

Suppose an experimenter wishes to evaluate the reliability of two weighing scales, by measuring a known 50-gram mass three times on each scale, and comparing the results. Scale A gives measurements of 49.8, 50.0 and 50.2 grams.