I dont think the answer is 129 unless you typed the problem in wrong. Order of operations say to do everything inside the perenthesis first so you would do the 3*2 which is 6 then divide the 12 by 6 and you get 2. so your new equation is 8^2+9(2)-7. Next distribute the 9 to the 2 that is inside the perenthesis. Square root the 8 also. Now it is 49+18-7. The answer would be 60 ...?
I guess he needs to save $4 more to buy the shoes
Answer:
c°=70°
Step-by-step explanation:
taking that it would be an alternate interior totaling 180°
take the difference: 180°-110°=70°
Answer:
71
Step-by-step explanation:
It appears the most in the expression.
Answer:
The number x is -3
Therefore x=-3
Step-by-step explanation:
Given problem is "Three added to eight times a number is the same as three times the value of two times the number -1"
Let x be the number
It can be written as

( applying the distributive property )


subtracting (6x-3) on both sides we get


( ading the like terms )


Therefore x=-3
The number x is -3