Find the indicated quantity.a1, when d = -3 and a43 = -130
A. -7
B. -4
C. -10
D. -3
Answer: B
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = csc t, y = 9 cot t, t = 
A. y = 18x - 9
B. y = 18x + 3
C. y = -18x + 9
D. y = 3
x - 18
Find the gross earnings.Gross sales: $5148Sales returns: $494Net quota: $1007Commission rate: 9%
A. $418.86 B. $328.23 C. $372.69 D. $329.13
Rewrite the polynomial in descending order. Identify the leading term, the leading coefficient, and the degree of the polynomial.-3x4 - 13x2 + 6x + 4x6
A. 4a6, 4, 6 B. -3a4, -3, 4 C. -4a6, -4, 6 D. 3a4, 3, 4
Provide an appropriate response.Roberto is an employee of a store and receives 20% discount off all items in the store. During a sale, the price of a jacket is reduced by $15. Roberto will receive both his 20% discount and the $15 off. Which is better for Roberto, to take the 20% discount first and then subtract $15 or to subtract $15 first and then take his 20% discount? Explain you answer.
What will be an ideal response?