Two measurements are given. Find the absolute difference and then find the relative difference as a percentage. Assume that the first quantity is the compared value and the second quantity is the reference value. Round answers to the nearest tenth if necessary.The population density in country A is 76 people per square mile while in country B, it is 630 people per square mile.
A. Absolute difference: -554 people per square mile
Relative difference: -87.9%
B. Absolute difference: 554 people per square mile
Relative difference: 728.9%
C. Absolute difference: -554 people per square mile
Relative difference: -728.9%
D. Absolute difference: -554 people per square mile
Relative difference: -8.8%
Answer: A
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Write the number in expanded form.7,000
A. (7 ? 103) + (0 ? 102) + (0 ? 101) + (0 ? 100) B. (7 ? 100) + (0 ? 101) + (0 ? 102) + (0 ? 103) C. (7 ? 104) + (0 ? 103) + (0 ? 102) + (0 ? 101) D. (7 ? 101) + (0 ? 102) + (0 ? 103) + (0 ? 104)
Write as a percent. 0.9
A. 900% B. 0.9% C. 0.09% D. 90%
Find the degree of the following polynomial and determine whether it is a monomial, binomial, trinomial, or none of these.-19z5 + 1z4 + 3z3 + 12
A. 12; trinomial B. 13; binomial C. 5; trinomial D. 5; none of these
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.8y2 + 36y - 20
A. 8x2 - 36x - 20 B. (8y - 4)(y + 5) C. 4(2y + 1)(y - 5) D. 4(2y - 1)(y + 5)