the equation of a circle is x2+4x+y2−10y+13=0 .
what is the equation of the circle in standard form?
(x+4)2+(y−25)2=25
(x+4)2+(y−25)2=16
(x+2)2+(y−5)2=16
(x+2)2+(y−5)2=25

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Find the value of x for which the lines are parallel.

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?