Answer:
Step-by-step explanation:
Now to find the sum of first 20 terms, substitute n=20,a=−1 and d=4 in S n = 2n [2a+ (n−1)d] as follows: S 20 = 220 [(2×−1)+(20−1)4]=10[−2+(19×4)]=10(−2+76)=10×74=740 Hence, the sum of first 20 terms is 740.
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Let x = number of pounds of grapes and y = cost in dollars:
Find the constant of proportionality by finding the price per pound:

Therefore, the constant of proportionality is H. 2.19
Answer:
S
Step-by-step explanation:
Answer:
2^3
Step-by-step explanation:
you subtract the exponents if they have the same coefficient when dividing them.
9-6=3
The answer is d i honestly just typed it into the computer