Answer:
C
Step-by-step explanation:
29 = 7y -4 +y+6
29 = 8y+2
8y = 27
y = 27/8
y =. 3.375
24 +13 + 16 +3 = 56
so if the total was 56 and the cashier gave her 4$ of change back then she gave 60$ in total
60 - 56 = 4
she gave 60$ in total
Answer:
You can use a calculator to divide 38,700 by 45,600; you get a decimal number slightly less than one then you can proceed to shift the decimal point two spaces toward the right and you have that as a percentage when your done.
Step-by-step explanation:
You have two vectors: 
and 
In order to find the sum 
of vectors 
and 
, you should add corresponding coordinates:
Answer: correct choice is C.
There are 792 different ways of choosing 5 books from a shelf containing 12 books. This problem can be solved using the combination formula of mathematics. The combination formula of mathematics is a number of way of selecting thing from a collection and the formula stated as n(n-1)...(n-k+1)/k(k-1)...1 (Calculation: 12*11*10*9*8/5*4*3*2*1 = 95040/120 = 792)<span>.</span>
