if <1 and <2 are vertical angles. if m<1 = 13x + 5 and m<2= 7x + 35, find the measure of <2

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.