Justify each step.

15. 2x - 5 = - 20

2x = - 15

x=_15

2+2*7:2+8+1*2456789

What is 120.00 divide by 7.75

An oil companys fills 1/10 of a tank in 1/5 hour. At this rate, which expression can be used to determine how long it will take for the tank to fill completely?

TJ solved a quadratic equation. His work is shown below, with Step 3 missing. What could TJ have written as the result from Step 3? 2 (x+6) 2 - 5 = 45 2 (x + 6) 2 = 50 Step 1 (x + 6) 2 = 25 Step 2 Step 3 =-11 or r=-1 Step 4

What is 1/3 of twenty one pounds

Solve each equation. write each equation in simplest form 7x/8=21 a. 24 b. 18.375 c. 1.857 d. 19

Complete the factorisation of this expression by finding the values of the capitalised pronumerals. 12a+15b+9c=X (Aa+Bb+3c) X= A= B=

Express 1507 million in a standard form

Which are samples that are appropriate to survey regarding how the city's residents feel about building a new youth center? Select all that apply. - 10 names selected from the city phone book.

Carlos made n soccer goals last weekend and 4 more this weekend. Using n, write an expression for the number of soccer goals Carlos made during the past two weekends.