Does anyone understand how to do substitution?

What is the equation for density

Jim will be x years old in two years. At that time, his sister will be twice as old as he will be. How old is Jim's sister now?

Thirty-five thousandths (express as decimal numerals

There were 10 mangos 2 people had to share it equally. How many mangos does each person get?

It costs $15 per month for membership at a baseball club. Members pay $5 for game tickets. Write an expression for the cost of 1 month, including the membership fee, for a person who attends g games in month.

There are 4 pennies, 2 nickels, 5 dimes, and 5 quarters in a jar. The probability that a random selected coin is a penny is 1/4. Is this experimental or theoretical probability

Traveling 15 miles in 20 minutes, how many miles per hour must you be going?

If |x| = 7 and |y| = 13, then which of the following could be equal to x + y?

Instructions. the The that purchases a video game from a store is o67 event A) and the probability that Greg purchases avideo game from the store iso 7 (event B). The probabilry that that Greg has purchased a video game) is 0.67.

True or False?: A negative times a negative is always positive 4 • - 6 is positive because the larger number is negative