Part a find ratio a and b if given that 7a=3b 5a+3b=6b a+b=4a a+2b/11=b/3 a+3b/5=a-2b/2 part b if a/3=b/2 what are the following ratios? a: b b: a 5a: 3b a+b/b a+b/5a 3a-3b/a-b if completed all of them. first will be awared brainist and will get 5 stars

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Plz. yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.