How many solutions does this system have? x-y=-4
3x+y=8
one
ООО
two
a
an infinite number
no solution

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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.