Which of the following is not a correct way to show multiplication in algebra? 2x (2)(x ) 2 · x 2 × x

2 × x

Step-by-step explanation:

2 × x is incorrect; there's too much potential for confusion when you use both ×  and  x in the same expression or equation.  Please use x only as a variable.  

2 · x is acceptable, as the dot clearly calls for multiplication.

8

step-by-step explanation:

to find the amount of gift bags to use all the supplies, find the gcf or greatest common factor. this is the largest number which multiplies evenly into each term.

48 has factors: 1, 2, 3, 4, 6, 8, 12. 16, 24, 48

80 has factors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

64 has factors: 1, 2, 4, 8, 8, 16, 32, 64

the highest number factor they all share in common is 8. this means there will be 8 bags with 6 pencils, 10 markers, and 8 stickers in each bag.

it has to have an angle of 90 degrees