Explain why the following form linearly dependent sets of vectors. (Solve this problem by inspection.) u1 = (3, -l), u2 = (4, 5), u3 = (-4, 7) in R2

How far could you drive on 50 gallons of gas

What is the absolute value of the complex number -4-sqrt2i

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.