2r+1 + (-4r) + 7

how do i solve this equation

Alg 1 Given the data set for the length of time a person has been jogging and the person's speed, hypothesize a relationship between the variables. a. I would expect the data to be positively correlated. b.

Principal, $2000; Annual interest rate, 5.4%; time, 2 years; The balance after 2 years is?

Which fractions are equivalent to 40%? Check all that apply. 1. StartFraction 8 Over 100 EndFraction 2. Two-fifths 3. StartFraction 8 Over 20 EndFraction 4. StartFraction 4 Over 10 EndFraction 5. StartFraction 16 Over 40 EndFraction

The local bakery uses 1.75 cups of flour in each batch of cookies. the bakery used 5.25 cups of flour this morning. how many batches of cookies did the bakery made?

The sum of a number x and 84

A bag contains white marbles and blue marbles, 54 in total. The number of white marbles is 1 less than 4 times the number of blue marbles. How many white marbles are there?

What is the lowest common multiple of 24 and 40

What is bigger 5 feet or 60 inches

What is the mean absolute deviation of 26 43 48 29 16 30

Grace and Jamal each bought notebooks for school. Grace bought 2 notebooks for $2.80 while Jamal bought 4 notebooks for $4.40. What was the unit price of each student's notebooks? A. Grace: $1.40; Jamal: $1.10 B. Grace: $2.80; Jamal: $4.40 C.