Answer the question. You will need to use the formula 4.9t2 + vot = s.A ball is thrown downward at a speed of 40 meters per second from an altitude of 720 meters. Approximately how long does it take to reach the ground?
A. 8.71 seconds
B. 13.93 seconds
C. 11.25 seconds
D. 7.14 seconds
Answer: A
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Find the general solution of the equation.u'(x) = 3u - 10
A. u = Cex/3 - 
B. u = Ce3x + 
C. u = Ce-10x + 
D. u = Cex/3 + 30
Solve the given equation graphically.7x - 30 = -9
A. 4 B. 3 C. 5 D. 2
Solve the problem.Three different clothing stores order the following amounts of clothing by a certain designer:JacketsShirtsSuitsStore 1:50?10?30Store 2: 30?10?10Store 3:50?10?10The unit prices of each product are given below for two suppliers: Supplier A Supplier BJacket8590Shirt3030Suit180200What matrix product displays the cost to each store of buying the clothes from each supplier? Display the two matrices which must be multiplied and their product.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Simplify using the laws of exponents.(-9y)(-3y6)
A. 27y7 B. -12y6 C. 9y - 3y6 D. -27y7