Answer:
y = 11.5x - 18
Step-by-step explanation:
i created this table in desmos and then entered this equation underneath:
y₁ (tilda sign) = mx₁ + b
desmos will draw a line of best fit and provide the correlation coefficient, slope, and y-intercept
I got 3.75. not sure if it’s right but hope i helped
Answer:7.25 feet
Step-by-step explanation:
6.25+6.5=12.75
20-12.75=7.25
Answer:
B.) 18
Step-by-step explanation:
To find the correct b value we use this formula
b² - 4ac = 0
b = What we are solving for
a = 1
c = 81
b² - 4(1)(81) = 0
b² - 324 = 0
b² = 324

b = ±18
And 18 is one of the answer choices
So B.) 18 is the correct answer.