Which equation below illustrates the associative property of addition? \left(2+8\right)+\left(1+9\right)=\ left(8+2\right)+\left(9+1\right)(2+ 8)+(1+9)=(8+2)+(9+1)
5\left(2+7\right)=10+355(2+7)=10+35
5+2\left(3+4\right)=5+6+85+2(3+4)=5 +6+8
\left(3+7\right)+2=3+\left(7+2\righ t)(3+7)+2=3+(7+2)

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis