The gym has a total of 25 treadmills and stationary bikes. There are 7 more stationary bikes than treadmills. a. Write a system of linear equations that represent this situation.

b. How many treadmills are in the gym?

c. How many stationary bikes are in the gym?​

The second term of an arithmetic sequence is 30. the fifth term is 90.calculatei). the commor difference of the sequence ii). the first term of the sequence tje first, second and fifth terms of the arithmetic sequence are the first three terms of a geometric sequence calculate the seventh term of the geometric sequence