The value of 5(1 + 3) ^2 is 400. True False

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The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).