It is possible for a system of linear equations to have an infinite number of solutions.
a) true
b) false

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2