Ms. Simpson gives her class the following problem:Simplify: 3 (x-2) + 6x. Mikey

simplifies the problem: 3x - 6 + 6x = 15x. What did Mikey do wrong?

Bobby bought 1.2 pounds of turkey at a cost of $2.50 per pound. Carla bought 1.4 pounds of turkey at a cost of $2.20 per pound. Who spent more on turkey and how much

The library is 3 miles east of the city hall. The mall is 10 miles west of the library. How far and in what direction is the mall from the city hall? A. 7 miles west B. 7 miles east C. 13 miles west D. 13 miles east

Multiply the binomials (x+2) • (x-3)

Jenn has 13 fewer marbles then Marty. she has 20 marbles. which equation can be solved to find how many marbles Marty has?

The directions for mixing water and powdered milk say that one should use 3 cups of water for each cup of powdered milk. how many cups of powdered milk are needed if 5 cups of water are used

A child is flying a kite and has let out all 80 feet of the kites string. the kite is 35 feet above a stop sign. how far is the child from the stop sign?

Where are negative numbers placed on Horizontal number line

A boy is 5 years old and his sister is three times as old as he is. When the boy is 10, how old will his sister be?

What is the solution of equations? y = 3x + 5 y = - x + 3 A. (2.1, 11.3) B. (-2.1, 5.1) C. (-0.5, 3.5) D. (0.5, 2.5)

Inverse operation steps for 19=h/3-8 steps in words