John is a salesperson who relies heavily on creating sales strategies centered around gaining his customers’ confidence and meeting their needs. He primarily focuses on delivering customer value. In this context, John most likely relies on _____.

Solve the equation. (2z – 4)2 + 12 = 4

Solve the inequality. Write your answer in interval notation.-7 – 3(2x + 1) < x – (-7 – x)

Factor the sum of cubes.8y3 + z3

The reciprocal of a number is added to 27, and the result is the quotient of 38 and the number. Find the number.

Factor by grouping.6tz – 22z + 18t – 66

Factor out the greatest common factor.30×4 – 48×2 + 15x

Find the value of n so that the expression is a perfect square trinomial and then factor the trinomial.x2 + 10x + n

Solve the system.-11x – 2y = 811x + 2y = 121

The current in a wire varies directly as the voltage and inversely as the resistance. If the current is 9 A (amps) when the voltage is 90 V (volts) and the resistance is 10 Ω (ohms), find the current when the voltage is 195 V and the resistance is 10 Ω .