91Ó°ÊÓ

Insert the symbol \(<,>, \leq\) or \(\geq\) to make each pair of inequalities equivalent. $$ -7 t \geq 56 ; t \square-8 $$

Electrical Power: The power rating \(P,\) in watts, of an electrical appliance is determined by $$ P=I \cdot V $$ where \(I\) is the current, in amperes, and \(V\) is the voltage, measured in volts. If the appliances in a kitchen require 30 amps of current and the voltage in the house is 115 volts, what is the wattage of the kitchen?

Size of a League Schedule. When all \(n\) teams in a league play every other team twice, a total of \(N\) games are played, where $$ N=n^{2}-n $$ If a soccer league has 7 teams and all teams play each other twice, how many games are played?

Solve and check. Label any contradictions or identities. $$6 z+3=-45$$

Translate to an inequality. The temperature is at most \(-3^{\circ} \mathrm{C}\)

Translate to an inequality. The credit-card debt of the average college freshman is at least \(\$ 2000 .\)

Graph on the number line. $$ x \leq 7 $$

Graph on the number line. $$ -3

Convert to decimal notation. $$ 0.38 $$

Convert to decimal notation. $$ 150 \% $$