13. x + 3 - 4x + 7

What's the answer?

If you deposit a check for $43.95 and $12.39 in cash, what is the total deposit amount?

Is 25/99 a terminating or repeating decimal

It costs 5.50 per hour to rent a pair of ice skates for up to two hours. after 2 hours, the rental cost per hour decreases to 2.50. how much does it cost to rent a pair of skates for 3 hours

Is this a arithmetic sequence 1.1/2,1/4,1/8

A farmer raises ducks and cows there are 28 animals all together the farmer count a total of 94 legs how many of each type of animal does a farmer have

3x4y2/xy2 simplify the following expression step by step

The music for Nadia's dance routine lasts for exactly 4 minutes. When Nadia dances her routine, she starts with her music and finishes 12 seconds before the music ends. What percent of the time the music is playing is Nadia dancing? and ...

What is the difference between a Angle bisector and altitude?

The circumference of a circle is 25.12cm. What is the area of the circle? Use 3.14

The temperature dropped 12f in 8 hours if the final temperature was - 7f what was the starting temperature