Adam has 52 pennies and Selena has 130 pennies. Write the ratio of adam's pennies to selena's pennies as a fraction in simplest form.

What is 862.473 rounded to the nearest whole number?

The distance from talamunda to velcratia is 700 miles. the train takes 5 hours to travel the distance. at what unit rate is the train traveling?

Solve for x ... - 5x = - 10

Sarah wants to know this problem. What five times five

The measure of a complementary angle is 14 more than 3 times the measure of the angle

Jeffrey spent 2/3 hour on his homework how many minutes did he spend on home work

Sum of 7x times 7 + 3x+1 and - 4x times 4-x+3

2. If y (x-1) = z then x=

John (whose line of sight is g ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is standing as 30 degrees.

Question: Carbon-11 has a half-life of about 20 minutes. If we start with 200 grams, how much will be left after 3 hours? A. 25 grams B. 2.5 grams C. 0.39 grams D. 0.039 grams