1.) if 60% of a number is 18, what is 90%of the number?
a.)3
b.)16
c.)27
d.)30
2. taryn's grandma took her family out to dinner. if the dinner was $74 and taryan's dinner was 20% of the bill, how much was taryn's dinner?
a.$6.80
b.$7.20
c.$9.50
d.$14.80

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

How many 2/5s are in 1 and 1/2 plz someone me right now

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?