Beth received grades of 87%, 82%, 96%, and 79% on her last four algebra tests. To graduate with honors, she needs at least a B in the course.
A. What grade does she need to make on the fifth tests to get a B in the course?
Assume that the tests are weighted equally and that to earn a B the average of
the test grades must be at least 80% but less than 90%.​

Solve the x in the equation x^2+14x+17=-96

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.