Simplify the following expression by combining like terms.

2x + 7x2 - 6x + 9x2

2x + 7x2 - 6x + 9x2 =

(Type la simplified expression.)

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Sam ran at 6km/h for two hours 20 minutes what distance did he run?

The assignment is about : Subtract Polynomials What i have to do : Subtract the polynomials, showing all the steps necessary to write the answer in simplest form. 2. (3x^1 + 8) - (2x^2 + 1) can you also explain what you did?

Show that cos^2 330degrees=1

Solve for y. a (n+y) = 10y + 32

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7th grade Ms. Takemoto wants to raise her math grade to a 95 to improve her chances of winning a math scholarship. Her math average for the last marking period was an 81. Ms. T. decides she must raise her math average by 15% to meet her goal.

Nobu is making a bracelet with equal sections who makes 4/8 of the bracelet on Saturday and 2/8 of the bracelet on Sunday which model can be used to find the total fraction of the bracelet that nobu makes on Saturday and Sunday

75 is 23% of what number

0.063 written as fraction or a mixed number

Which expression is equivalent to x•25