exam Maths Puzzle Numerical Ability

Please help me with my problem.

use a calculator to tell how many nickles and how many dimes in each problem.
$3.00, the same number of nickels as dimes

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exam Other Question

CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM:

R(x)= x^3 - 2x^2 - 7 / x^6 - 2x^5 + 6x^2 - 4. How many vertical asymptotes are possible?
Solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x +2y = 7
Y = -5x + 3