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Mathematics
OpenStudy (anonymous):

simplify the expression -5z+4n+18z-10n

OpenStudy (anonymous):

13z-6n

OpenStudy (anonymous):

combine like terms (-5z and 18z) and (4n and -10n)

OpenStudy (anonymous):

simplify the expression 2x^2+8+3x^2+4x-10

OpenStudy (anonymous):

Evaluate the expression discribed below if the number is -3five than a number tripled A. -10 B. -4 C. 14 D. 20

OpenStudy (anonymous):

Add parentheses so that the value of the expression below will be –1.

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