Angle a and angle b are complementary angles. if angle a measures 40 degrees, what is the measure of angle b? *
40 degrees
45 degrees
50 degrees
140 degrees

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

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

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax