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​

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.