Aset of legos contains 30 pieces the set contains only blue, red, and yellow. write an equation to represent the problem and then find how many red are there in the set

Which of the following points is collinear with (-2,1) and (0,3)

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?