Jordan types 0.0000000012 into his calculator then presses Enter. Which expression below do you expect the scientific calculator to display?

1.2E10

1.2E-9

12E9

12E-9

Solve for the system of liner equations by substitution. X+4y = - 1 -3x-14=y

Which function shows the combined cost in dollars, y, for three shipments with x number of chargers and tablets? y = 2.00x + 4.00 y = 6.00x + 12.00 O y = 3.50x + 2.50 Oy = 10.50x + 7.50

The population of a town in 2014 was 78,918 people with an annual rate of increase of about 1.7%. Which type of function can represent this situation? A) Linear B) Exponential

Solve x+6 (x-1) = 7 (3+x)

Alexis needed 18 pounds of potatoes but only bought 4.8 pounds at store. How many pounds do she need

Suppose that 30% of students are freshmen and 50% of students are male. assuming that these two designations are independent, what is the probability that a randomly selected student will be a male freshman?

Simplify the expression completely. (-3c-2d2e101-3)

What are the solutions of each equation? a. x² - 36=0

Solve by writing and solving a matrix equation. Show all your work. x - 2y = 2 { 3x - 5y = 9

A traffic light is needed at each intersection. How many traffic lights are needed if there are 6 streets in the town.