Solve the problem.A biologist recorded 7 snakes on 29 acres in one area and 13 snakes on 39 acres in another area. Let y be the number of snakes in x acres. Write a linear equation for the number of snakes.
A. y = 
x + 
B. y = 
x + 
C. y = 
x - 
D. y = - 
x + 
Answer: C
Mathematics
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Simplify the expression using the order of operations.18 + 44 ÷ 4 ? 2
A. 106
B. 
C. 40
D. 
Mathematics
Find an equation of variation for the given situation.y varies jointly as x and z and inversely as the product of w and p, and 
when 
and 
A. y = 
B. y = 
C. y = 
D. y = 37pwxz
Mathematics
Find the sum.-50 + (-89)
A. 39 B. 139 C. -39 D. -139
Mathematics
Write the inequality using interval notation, and illustrate the inequality using the real number line.-10 ? x ? -6
A. [-10, -6]
B. (-10, -6]
C. [-10, -6]
D. (-10, -6)
Mathematics