Two light houses flash their lights every 30 seconds and 40 seconds respectively. Given that they flashed together at 10:40 a. m, what time will they next flash together

Solve for x. - 2x=-2x-5

Mr. Lubec put her 28 students into four equal groups she gave each group 35 sheets of paper how many sheets of paper to each student get

What is 5x to the second power + 15

What is the prime factorization for 900

How many times does the earth spin in a year

Median of 7,9,4,4,7,9,6,4

There are 325 children at the zoo. If 64% of children are boys and the rest are girls, how many children at the zoo are girls?

Which number is a multiple of 6 and 8? 24 18 3 2

The average of 20 numbers is 0. among them at least how many of them can be greater than 0. a. 19. b. 10 c. 0 d. 1

Every evening, two weather stations issue weather forecast for the next day. The weather forecasts are independent. On average, the weather forecast of station 1 is correct 90% of the cases, irrespective of weather type.