The measure of an angle is 78°. what is the measure of a complementary angle?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b