10 points & ! show process : )

in a math class there are five equally weighted tests. a student has grades of
94, 92, 78, and 97 on the first four tests. to earn an a in the class, the students
must have an average of at least 90. what must the student get on the fifth test
to earn an a in the math class?

the student needs at least an 89 on the fifth test to earn an a in the math
class.

Aline passes through 3,7 and 6,9 what equation represents the line

Solve for n. round to the tenths place, if necessary. 14.2 cups of flour6 loaves of bread= 20 cups of flour n

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.