FOR 20 POINTS
Which of the equations is the correct representation of the following word problem?

A student has two grades of 80 and 90. What grade must the student make on the next test to pass the class with a 90-grade average?

(80 + 90 + z)/3z = 90

(80 + 90 + x)/3 = 90

(80 + 90 + n)/3 = 100

(80 + 90 + 90)/3 = y

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit