Use the equation 135 x 42 = 5,670 and what you know about fractions, decimals, and place value to explain how to place the decimal point when you compute: (1.35) x (4.2)

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.