Solve the system. 0.2x + 0.5y = 4
-0.1x + 0.3y = -2
A)
(20,0)
B)
(-2,5)
C
(-5, 10)
D)
(50, 10)

HELP

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Find the difference (8ab+a+2) - (3ab+6)

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.