28 + 56t + 28w equivalent expressions

Of the 50 states 2/5 of the states start with the letters M, A, or N. How can you use equivalent fractions to find out how many states this is?

Apple Peeling Challenge #1 If it takes 2 minutes to peel 1 apple and 4 minutes to peel 2 apples, how long will it take to peel 10 apples? Apple Peeling Challenge #2

Which of the following represents "The ordinate is twice the abscissa"? xy = 2 2x = y 2y = x

A certain forest covers an area of 3100 km^2. suppose that each year this area decreases by 8.25%. what will the area be after 15 years? round to the nearest square kilometer.

If Jonny has one apple and loses one how many does he have now

2 (2t+4) = 34 (24-8t) solve for t

Jose must plant 380 trees. In the past 7 days Jose planted 266 trees. If he continues at this rate, how many more days will it take him to plant all the trees?

Suppose an experimenter wishes to evaluate the reliability of two weighing scales, by measuring a known 50-gram mass three times on each scale, and comparing the results. Scale A gives measurements of 49.8, 50.0 and 50.2 grams.

A zoo had 2250 visitors on Friday and 4725 on Saturday. What was the percent of increase of the number of visitors on Saturday over Friday? 110% 148% 152% 210%

A bar graph in which the bars are arranged in frequency order is a. a. dotplot. b. pie chart. c. line chart. d. pareto chart.