What is the difference of the complex numbers below?

(3+9i) - (7-5i)

regina charges c dollars per hour to babysit. if she increases her rate by 15%, which expression represents her new rate, in dollars per hour?

Consider the equation StartFraction x over 5 EndFraction minus 2 = 11, where x represents the number of basketball players that have signed up for a new league.

Which number is rational? 2 square root, pi, 10 square root, 16 squeare root

If g represents Greg's age and his daughter is 4 years less than one half his age, then write an expression for his daughters age in terms of the variable g

Write a story for the equation: 3000 - 100x = 2000

X is a normally distributed random variable with a mean of 11 and a standard deviation of 2.0. find the value of x for which 70.54% of the area under the distribution curve lies to the right of it. (note: the diagram is not necessarily to scale.

What is the root of this equation? 2x^2 - 4x + 9 = 0

Which division problem is equivalent to 2/5a. 5. divide 5 by 2c. cut 5 equal sections from a 2 foot long ribbond. split 5 cups of yogurt into 2 equal servings?

Translate into an equation and solve. what percent of 64 is 16? (do not round until the final answer. then round to two decimal places as needed.)

p: If every fourth card drawn is a spade, then 25% of the cards in a deck would be spades. If 25% of the cards in a deck are spades, then every fourth card drawn would be a spade.