For questions 1-6 compare the fractions using the lcm
1. 1/7, 2/3
2. 3/5, 1/4
3. 4/6, 4/8
4. 10/14, 3/7
5. -14/21, -3/9
6. 30/20, 8/2

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

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?