Efectuați calculele și scrieți rezultatul în forma cea mai simplă: a) (–2 + 1) + 3( –2); b) (2 + 3)( – 1) + (3 – 2)(– + 5); c) (–5 + 2)(3 – 1) + (15 + 7)( – 3); d) ( – 1)(–5 + 3) + 5( – 1); e) ( + 2)(2 – 2 + 4) – 3 + 8; f) (2 –1)(42 + 2 + 1) + 1 – 83.

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles