Use both properties of equality to solve the equation.22 = 2 - 5m

A. -15
B. -2
C. -4
D. -19


Answer: C

Mathematics

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Find the gradient field of the function.f(x, y, z) = x8y4 + 

A. ?f = (8x7 + 6x5)i + 4y3j - k
B. ?f = 8x7y4i + 4x8y3j - k
C. ?f = (8x7 + 6x5)i + 4y3j + k
D. ?f = i + 4x8y3j - k

Mathematics

Solve the problem.Wallcoverings, Inc. just received a new line of posters that have a net cost of $7. If they were given discounts of 30% and 15%, find the list price.

A. $4.17 B. $12.73 C. $3.85 D. $11.76

Mathematics

Solve the problem.A building 250 feet tall casts a 50 foot long shadow. If a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree)? (Assume the person's eyes are 5 feet above ground level.)

A. 78.69° B. 11.78° C. 78.22° D. 78.47°

Mathematics

Write the expression in the standard form a + bi.(-5 + i)(-5 - i)

A. 25 B. -24 C. 26 D. -5

Mathematics