Need a smart girl or guy to pass my Hpre-calc test hmu on snap or something please jvj04

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?

If square root x = -7, then x= -49 true or false

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?