Solve the following systems of equations

x+3y=-23

-x+4y=-26

If x / 3 equals 6 then x equals

If 1 ounce is equivalent to approximately 28.35 grams, how many ounces are in 541 grams? (Answer to the nearest tenth of an ounce.)

Lynn, Faith, and Jermyn are film animators. In one 8-hour day, Lynn rendered 203 frames, Faith rendered 216 frames, and Jeremy rendered 227 frames. How many more frames per hour did Faith render than Lynn did?

Abcd is a cyclic quadrilateral with ab parallel to dc. If angle B is 70 degree find the other angles

Given 25x^2-10x+0 which values of x will satisfy the equation? (Hint: Factor the polynomial into two terms, and find the values of x that will make each term 0.)

A polyhedron has 6 faces and 7 vertices, how many edges does it have

There are 15 red, 14 green, and 9 yellow balls in a dark room. What is the minimum number of balls that Alicia needs to take so that at least 12 of them are the same color?

Three friends have 2.79 liter bottle of water to share. About how Manny much water will each person receive?

2y + x = - 15 X = 3y

Joe is 10 years older than James and eight years twice Joe's age will equal three times James eight how old is Joe now.