1000 students take a survey

The survey reveals 20% of the students speak Spanish. How many students speak spanish

Karissa deposits $165 into a new savings account. The account earns 2.75% simple interest per year. Karissa plans on keeping the money in the account of 4 years (no money is added or removed).

Five friendship to a fall festival and they each pay an entry fee of $10. The friend spend an equal amount of money on lunch. Altogether the friend spend $120. How much did they each pay for lunch.

Use compatible numbers to estimate the quotient 2,545:4

Given that the rate constant for the decomposition of hypothetical compound X from part A is 1.60 M-1⋅min-1, calculate the concentration of X after 13.0min. (min) [X] (M) 0 0.467 1 0.267 2 0.187 3 0.144 4 0.117 5 0.099 6 0.085 7 0.075

A car needs fixing and abe can tfix it for $70 per hour with $130 part, but gabe can fix it for $80 an hour with a $40 part. How long will it take for both abe and gabe to cost the same amount?

Find the solution set x^2-7x-8=0 separate the two values with a comma

The bookshelf was bought at a wholesale price of $147.00, and Gabriela Furniture Store Marie up all Furniture by 60%. At what price should the manager sell the bookshelf?

Which of the following is a statistical question? A. What is the average of all your scores this semester? B. What was your score on the last exam?

How do I prove that 0.3333 ... Is equal to 1/3 using a geometric series?

A light bulb consumes 1800 watt-hours per day. how many watt-hours does it cumsume in 4 days and 12 hours