What type of relationship does this pair of angles have 67 and 23

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?