Determine the value of a and b for which the following system of linear equations have infinite number of solutions

2 − ( − 4) = 2 + 1

4 − ( − 1) = 5 − 1​

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120