Combine like terms whenever possible.-3z - 2z
A. -5z
B. -5z2
C. -10z
D. Not possible
Answer: A
Mathematics
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Provide an appropriate response.A flower bed is designed with semicircular areas attached to a square as shown in the figure. How much edging is needed to go around the outside of the bed? Round the answer to thousandths.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the exponential equation.3x2 + 5 x = 
A. -1 , -4 B. 1 , -4 C. 1 , 4 D. -1 , 4
Mathematics
Solve the equation and check the solution.s + 6 = 9
A. s = 3 B. s = -15 C. s = 15 D. s = -3
Mathematics
?Solve the system of linear equations by the method of elimination, find (x,y).
?
?
?
A. ?(4, -43) B. (a, -7 - 9a) ?(infinitely many solutions) C. ?(2, -25) D. ?No solutions E. ?(8, -79)
Mathematics