Find the LCM of the set of numbers.30, 77
A. 3080
B. 2310
C. 770
D. 6930
Answer: B
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Solve the problem.If f(?) = cos ? and f(a) = 
, find the exact value of f(-a).
A. - 
B. 
C. - 
D. 
Add and write the resulting polynomial in descending order.(8.3z4 + 3.2z3 - 4.3z2 + 9.2z - 8) + (2.4z4 + 8.1z3 - 5.2z2 + 0.8z + 3.7)
A. 10.7z4 + 7.5z3 - 13.3z2 + 10z - 4.3 B. 10.7z4 + 11.3z3 - 9.5z2 + 10z - 4.3 C. 10.7z4 + 11.3z3 + 9.5z2 - 10z - 4.3 D. 5.9z4 + 11.3z3 - 9.5z2 + 10z - 4.3
Determine whether the function is one-to-one.h(x) = 
x - 
A. One-to-one B. Not one-to-one
Solve the problem. The enrollment at a certain college for women and men, W(t) and M(t), respectively, can be modeled by the system:W(t) = 92.6t + 3167M(t) = 62.3t + 4092where t is the number of years since 1992. Let P(t) be the percentage of students that are women at t years since 1992. By finding an equation of P, determine the year when 50.4% of students at the college will be women.
A. 2022 B. 2028 C. 2026 D. 2024