Answer:
c is the correct answer
Step-by-step explanation:
This is a sequence because the points form a straight line. The expression is: t(n) = 30 + 2x, x is number of weeks. On her 18th birthday, that is 8 years after her 10th. that means 416 weeks have passed since her 10th birthday. Plug 416 into the equation to get: t(416) = 30 + 2(416) = $862. She will have $862 to Spend.
Hi,
Equation;
Variable n is given so no need to write it down. Instead use 8.
Solving:
Hope this helps.
r3t40
Answer:
3
Step-by-step explanation:
combine like terms (so 1/2 and 3/2): 2 - x = x - 4
add x to both sides: 2 = 2x - 4
add 4 to both sides: 6 = 2x
divide both sides by 2: 3 = x
Answer: 15 ft
Step-by-step explanation: shadow / height
8.4/6=1.4
21/1.4=15
