90 trillion in standard form

Ok tell me if u think this one is right. a-b=5, what does b-a equal? Answer 1/5

Your friend is in Death Valley, California, at an elevation of - 282 feet. You are near Mississippi River in Illinois at an elevation of 279 feet. Who is closer to sea level?

Find the slope and y-intercept of the line. y = 7/4x - 10 A) 7/4; - 10 B) 4/7; 10 C) 10; 7/4 D) - 10; 7/4

What is the solution to (x + 8) > (2x + 10) ? (-∞, - 4) (-4, ∞) (-∞, 4) (4, ∞)

You eat three-fourths of a pizza that has 12 pieces. How many pieces do you eat?

The graph shows a line joining two complex numbers. What are the two complex numbers?

Translate the sentence into an equation. Five more than the quotient of a number and 8 is 2. Use the variable for the unknown number.

A garden supply store sells two types of lawn mowers. The smaller mower costs $249.99 and the larger mower costs $329.99. 30 total mowers were sold and the total sales for a given year was $8379.70.

You go to school in a college town. You know that there are 2000 students enrolled in the school, but you don't know the population of the town (without students).

how to Round 19.82549