Expression 6x + 3 if x=2.

Johnny spend 1/7 of his income on Food, 1/10 of his income on gas, and 3/8 of his income on rent. What percentage of his income remains after he has paid for food, gas, and rent?

Tina plans to have two children but doesn't know if they will be boy-boy, girl-girl, or a boy and a girl. What is the probability that she will have two girls?

Sarah is making a wooden box that she will use to store her jewelry. She makes the length of the box 20 centimeters. She decides the length will be exactly twice the width, while the height will be exactly half the width. 13. How wide is the box? 14.

Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = - m - 3n + 8. Simplify [Q - R] + [S - T]. A 10m + 5n - 24 B 10m - 5n + 24 C 10m + 7n - 14 D 10m - 7n - 14

Write the pair of fractions 3/10 and 1/2 as a pair of fractions with a common denominator

A pan balance shows x+2=10. If you add 5 units to one side, can you balance the scale by adding x units to the other side. Explain?

A problem states there are 5 more girls than boys and girls there are 27 students in the class in all How many boys are in the class What are the unknowns in this problem A Number of students in the class B The number of boys in the class C The

find the value of this integer expression: - 2 (+3+-4+-8++7), calculation with distribution and calculation without distribution

How do you convert 947.4777960769379 to pi?

Four students measure the length of a minute-long trial four times. They record their measurements as shown. Julian: 57.3 seconds, 58.8 seconds, 59.5 seconds, 62.