Ithink it's the first one. am i right?

which is the equation of a line that is parallel to -3x + 4y = 4 and passes through the point (4,0)?

y = 4/3x + 3

y = −3/4x −3

y = 4x + 3

y = 3/4x − 3

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?

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,