Classify the number as one or more of the following: natural number, whole number, integer, rational number, or real number.68
(Length in feet of the playground)
A. Natural, whole, integer, rational, and real
B. Real
C. Rational and real
D. Natural, integer, rational, and real
Answer: B
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Solve the equation.5(2z - 5) = 9(z + 3)
A. 2 B. 52 C. -2 D. 7
Find all the first order partial derivatives for the following function.f(x ,y, z) = (sin xy)(cos yz2)
A. 
= (y cos xy)(cos yz2); 
= (x cos xy)(cos yz2); 
= -2(yz sin xy)(sin yz2)
B. 
= (y cos xy)(cos yz2); 
= (x cos xy)(cos yz2) - (z2 sin xy)(sin yz2); 
= 2(yz sin xy)(sin yz2)
C. 
= (y cos xy)(cos yz2); 
= (z2 sin xy)(sin yz2)- (x cos xy)(cos yz2); 
= 2(yz sin xy)(sin yz2)
D. 
= (y cos xy)(cosyz2); 
= (x cos xy)(cos yz2) - (z2 sin xy)(sin yz2); 
= -2(yz sin xy)(sin yz2)
Graph the inequality.y ? 
A. 
B. 
C. 
D. 
Write and solve an equation to answer the question. Round percent to the nearest thousandth, if necessary.36.5% of the students at a certain college are men. If the total number of students at the college is 2200, how many female students are there?
A. 1100 females B. 1397 females C. 1417 females D. 803 females