Lauren jogs at a rate of 2 miles every 2/5 hour. what is her unit rate ?

1. are the triangles similar and if so why? what is the value of x? show your work.

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?