1. Select all the expressions that are equivalent to 4 - x.

a. x - 4

b. 4 + - x

C. - x + 4

d. - 4 + x

e. 4 + x

20x - 18 < 50 < 36x - 16

What is the common difference between successive terms in the sequence 9,2.5,-4,-10.5,-17, ...

In which interval centered at the mean do 75% of the values drawn from this normal distribution lie? A) [33.7, 64.7] B) [37.7, 60.7] C) [40.7, 57.7] D) [43.7, 54.7]

A recipe that makes 8 jumbo blueberry muffins calls for 1 1/2 teaspoons of baking powder how much making baking powder is needed to make 3 dozen jumbo muffins

A plane takes off at an angle of 15 and travels in a straight line for 3000 meters what's the height

Solve this inequality: 3 (x + 6) - 2 (x + 2) > (or equal to) 10

Is 4/5 greater than 1/3

Martha always tries to exercise at least 30 minutes a day. Write an inequality to represent the number of minutes Martha exercises each day.

A swimming pool has perimeter of 72 feet. The short sides measure 16 feet. What is the length of the longer sides of the pool

At the beginning of an environmental study, a forest covered an area of 1500km2. since then, this area has decreased by 7.1% each year. let t be the number of years since the start of the study. let y be the area that the forest covers in km2.