?Provided that  and , write

style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_76ac730e5b8d41edb411b0254" /> as a linear combination of u and w, if possible. 

?



A. ?
B. ?
C. ?
D. ?
E. ?It is not possible to write v as a linear combination of u and w. 

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Answer: B

Mathematics

Provide an appropriate response.Equation of a line: 5x + 3y = 30(a) Solve for y.(b) Find y when x = 4.

A. (a) y = - x + 10
(b) y = 10
B. (a) y = x + 10
(b) y = 
C. (a) y = - x + 10
(b) y = 
D. (a) y = - x + 30
(b) y = 

Decide whether the given statement is always true or not always true.If A ? B, then A ? B = A

A. Not always true B. Always true

Provide an appropriate response.Suppose ?PQR ? ?ABC, where ?ABC is shown below. Find PQ.

A. 5 B. Cannot be determined C. 3 D. 4

Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.2986.78 - 702.1round each to the nearest hundred

A. Estimate: 2100; Actual: 2284.68 B. Estimate: 2300; Actual: 2285.68 C. Estimate: 2300; Actual: 2284.68 D. Estimate: 2100; Actual: 2294.68