Express 1.21212121 ... as a fraction

A cleaner recommends mixing 1½ cup of cleaner for every 12 cups of water. What is the ratio of cleaner to water in simplest form? 1/8 2/3 1/2 7/8

A local civic theater has 22 seats in the first row and 21 rows in all. Each successive row contains 3 additional seats. How many seats are in thecivic theater

Appreciate the support! Problem: At the end of the day, Brooke had $138.75 in her checking account. She had made a deposit of $115.07 and written checks totaling $176.94. How much did she have in her checking account at the beginning of the day?

A car dealership sold 44 cars this month. For every 4 red cars sold, 7 blue cars are sold. How many of the cars sold this month were blue?

What is the approximate difference in tenths between 10 and 15?

An arithmetic sequence is defined by the general term tn = - 5 + (n - 1) 78, where n ∈N and n ≥ 1. What is the recursive formula of the sequence?

What is the explicit formula for the arithmetic sequence 2, 7, 12, 17,

Find equation in slope-intercept form. Slope = -1, ordered pair: (4,-3)

What is the geometric mean between 64 and 49

Yvette uses 6 games of tea leaves to make 24 Fluid ounce of tea. Last week she made 288 fluid ounce of tea. How many grams of tea leaves did Yvette use to make tea last week