6. A girl runs for 50 min at a uniform speed of 10 km/h. What should be the speed that she runs for the next 40 that the
speed for the
is 25km/h?​

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

What number is 7 units left of -15?