Find the missing value The distance between a+7i and -8+4i is square root 130 units. The positive value of a is

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?