What is 1+1 Please reply my half-yearly exam will start in 2 minutes
please help me
So hard to solve
please do with steps as it is very important in board exam

Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog