what type of math is this I might be able to help
 
        
             
        
        
        
Answer:
A. ⇒ The expression is b + 3
B. ⇒ The expression is 2b - 4
C. ⇒ The Dr's office is closer by 4 miles
Step-by-step explanation:
A.
∵ The distance between Daniel's house and his school is b miles
∵ The swimming pool is 3 miles farther from his school
∴ The distance between Daniel's house and the swimming pool is b + 3
B.
∵ The distance from Daniel's house to his Dr's office is 4 less than twice the distance from home to Daniel's school
∵ The distance between Daniel's house and his school is b
∴ The expression of distance from Daniel's house to his Dr's office is
    2b - 4
C.
∵ b = 3
∴ The distance between his house and swimming pool is:
    3 + 3 = 6 miles
∴ The distance between his house and Dr's office is:
    2(3) - 4 = 2 miles
∴ The Dr's office is closer to Daniel's house than the swimming pool by:
    6 - 2 = 4 miles
 
        
             
        
        
        
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<h3>Answer : y = ⅚x - 3</h3>
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<h3>Known</h3>
x1 = 6
y1 = 2
x2 = (-6)
y2 = (-8)
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<h3>Question</h3>
Equation of the line (y = mx + c)
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<h3>Way to do</h3>
#First, you find the gradient (m)

#Now use the formula of equation of the line
y - y1 = m(x - x1) 
y - 2 = ⅚(x - 6)
y - 2 = ⅚x - 5
y = ⅚x - 5+2
y = ⅚x - 3
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Answer:
A
Step-by-step explanation:
16 × 2 = 32
20 × 2 = 40
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