You scored 88, 92, and 87 on three tests. write and solve an equation to fi nd the score you need on the fourth test so that your mean test score is 90.

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

Write the equations in logarithmic form 9^4=6,561

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet