Consuela drew this figure. Which pair of segments appears to be congruent?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.