What value of x makes this equation true?

x/6-7 = - 4

K/2 + 9 = 30 What is k

30 inches increased by 30% Find the new rate

To find how high school students feel about hot lunches, Adam walks to the nearest high school and gives a survey postcard to every twentieth student that enters the building.

Simplify the expression shown below: (a^3b^12c^2) ^2 (a^5c^2) ^3 (b^5c^4) ^0

Solve the following equations 2a+3=13 4b-2=22 5c+6=41 3d+4=16 7e-3=25 4f+7=15 9g-3=6 10h+4=44 16+2j=20 13-3k=10

Type the number 3.14*103 in standard notation.

Which pair of numbers is relatively prime? A. 108 and 57 B. 21 and 183 C. 55 and 121 D. 60 and 151

Mrs. rosso has to travel 390 miles on a highway. she drives 130 miles in 2 hours

Sohan Lal, the truck driver, is travelling from Abu Dhabi to Dubai. He refills the petrol tank in Abu Dhabi. If the truck can run 495 km on 36 liter petrol. What distance will the truck cover in 35 liters of petrol?

problem solving lesson 6a seven digit number has a 0 in the ones place, a 6in the ten thousands place, an 8 in the millions place, and fives in each if the remaining places. What is the number?