Y=3x-1 y=-2x+4 what is the sum of x and y in the solution to the system​

Three coins are flipped. what is the probability that there will be at least two tails?

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,