Ciara solved the exponential equation 3x+1 = 15 and her work is shown below. what is the first step she did incorrectly?

step 1: log 3x+1 = log15
step 2: (x + 1)log 3 = log15
step 3: log3 = log 15 over x plus 1
step 4: 0.477121 = 1.176091 over x plus 1
step 5: 0.477121(x + 1) = 1.176091
step 6: x + 1 = 1.176091 over 0.477121
step 7: x + 1 = 2.464975
step 8: x = 1.464975

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3