Please help me with this! 130°
2x
a) Find the value of x,
b) State the postulate or theorem that justifies your
answer.
Show your work on paper to submit in question #8
(a) x =
(b)

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?