Solve the following system.
x^2/25+y^2/100 = 1
a {(3, 4), (-3, 4)}
b {(4, 3), (-4, 3)}
c {(0, -10), (0, 10)}
d {(-5, 0), (5, 0)}

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18