When i have a negative plus a positive of the same number, what is that called?

Write a story problem that can be solved by finding the difference of 432,906 and 61,827. Then solve the problem

Which expression is prime? a. x2 + 3x + 2 b. x2 + 8x + 7 c. x2 + 8x - 22 d. x2 + 12x + 27?

15 less than 6 times a number is the same as 9 more than 9 times a number. Find the number

during a ten day period kids were given $1 on the first day $2 on the second day, and so on finishing with $10 on the 10th day. how much did the children receive during the 10 day period? I need to show the work but in another way than addition

X-c/2=d for x ...

A plant is already 45 centimeters tall, and will grow one centimeter every month. the plants height, H, (in centimeters), after m months is given by the following: H=45 + m what is the plants height after 14 months

Write 600 as the product of prime factors. Give your answer in index form.

Write - 3i + (3/4 + 2i) - (9/3 + 3i) as a complex number in standard form. a. (9/4 + 9i) b. (-9/4 - 4i) c. (9i + 9/4) d.-6i

Round 552,945 to the place value

The population of Old Town is 130,000. One hundred of the residents were randomly surveyed about the number of pets in their households. The residents of Old Town represent the entire The 100 residents surveyed represent the