Write an equation to describe the situation.Mike is on vacation in Costa Rica. He has a budget of $910 for accommodation. He will stay as long as his budget allows. The more expensive hotel costs $66 per night and the budget hotel costs $43 per night. He plans to stay 7 more nights in the budget hotel than in the expensive hotel. Find the number of nights n that he will stay at the expensive hotel.
A. 43(n + 7) + 66 = 910n
B. 43(n + 7) + 66n = 910
C. 43(n - 7) + 66n = 910
D. 43n + 66(n + 7) = 910
Answer: B
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at (u, v) = (3, 2) for the function w(x, y, z) = xz + yz - z2; x = uv, y = uv, z = u.
A. 24 B. 18 C. -6 D. 0
Find the least common denominator (LCD).
, 
A. 3(x - 4)(x - 3) B. 3(x + 4)(x - 3) C. 3(x + 4)(x + 3) D. 3(x - 4)(x + 3)
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.
x + 
y = 4
x + 
y = 2
A. 
or 
B. (0, 12)
C. 
D. no solution
The amount P is deposited in an account giving R% annual interest compounded n times a year. Find the amount A in the account after t years.P =$3800, R = 8%, n = 4, t = 5
A. $17,711.64 B. $5646.60 C. $8326.27 D. $4636.72