What is the value of s in the equation 3 r equals 10 plus 5 s, when r equals 10? A. 4
B. 8
C. 100
D. 200

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36