Please answer immediately.

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

Find the area of just the wood portion of the frame. this is called a composite figure. you will need to use your values from problem #2need all exepct 4 answerd if you can

Which statements are always true regarding the diagram? check all that apply. m3+ m 4 = 180° m2 + m 4+ m26 = 180° m2 + m 4 = m 25 m1+ m2 = 90° m4+ m6 = m22 m2 + m 6 = m 25