Quiz 1

In the right triangle shown, mZQ = 60° and QR = 2 square root 3.

hagor

cial

ba

60

R

23

% 9 mi

quiza

How long is PQ?

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Nine more than four times a number is the same as one less than twice the number. find the number?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23