Write 19,000,000,000 in scientific notation

A triangle has sides with lengths of 2x - 7, 5x - 3, and 2x - 2. What is the Length of the triangle

Solve the simultaneous equations 3x + 4y = 5 2x - 3y = 9

Factor completely 3x2 + 9x - 54. (3x - 9) (x + 6) 3 (x - 3) (x + 6) (3x - 6) (x + 9) 3 (x - 2) (x + 9)

Manny receives 6 dollars each week for allowance. He also had 45 dollars saved from birthday gifts. If he currently has 111 dollars, write an equation to represent how many weeks Manny has been saving money. A. 6 + 45 = 111w B. 6w = 111 + 45 C.

Liam is setting chairs for meeting he arranges chairs in 5 rows of the same length he has 3 chairs left over if he arranges the chairs in 3 rows of the same lengh he has 21 left over how many chairs does Liam have

35% of what number is 60?

A motorboat traveling with the current went 30 mi in 3 h. Against the current, it took 5 h to travel the same distance. Find the rate of the boat in calm water and the rate of the current.

What is a quick way to solve ratios other than adding them

What is the value of x? sin (x+22) °=cos (2x-7) ° Enter your answer in the box.

How do theoretical probability and experimental probability differ?