Simplify the following
will match a letter 1
1. 15 - 7
2. 7 - 13
3. -4- 8
4. 1 - 17
5. 23 - 8
6. -6--2
7. 3 - -8
8. 0 - -2
9. -3 - 6
10.-11--11
11. 6 - 13
12. -8 -21
13. -7 - -10
just so you know they have to be simplified

care to share were the trapezoid shown is ?

rotation point l

step-by-step explanation:

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

93-8=85

855=17

17*4=68

there are 68 purple marbles in that bag