Which of the following is an expanded form of the expression below?

key: ^2 means to the 2nd power

-5 (a^2 - a + 6)

a. 10a - 30

b. -10a - 30

c. -5a^2 - 5a + 30

d. 5a^2 + 5a - 30

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?