Help! Which expression is equivalent to 12x + 16y?
Group of answer choices

4(3x + 4y)

2(10x + 14y)

x(12 + 16y)

4(8x + 12y)

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

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

The area of a circle is equal to 1 dm². find the radius of the circle.