Class Activity \#2 - The Plus + Sign Plus, sign (+) in the Output The Plus sign in the Output is used as a connector between two strings. What is this formally known as?

6. \( -\{2 x+7-[-1+3 x-(-4 x+9)-(3 x+4)]-29\}=- \)

Save 6 The perimeter of an equilateral triangle is 11 inches more than the perimeter of a square, and the side of the triangle is 6 inches than the side of the square. Find the side of the triangle. (Hint: An equilateral triangle has three sides the same length.) The side of the triangle is

Solve. \( \sqrt{1-4 x}=5 \) A. The solution(s) is/are (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) B. There is no solution.

Exercice 1: Simplifier les fractions suivantes. \( \frac{45}{25} ; \frac{24}{16} ; \frac{-28}{49} ; \frac{-81}{54} ; \frac{45}{-30} ; \frac{24}{-48} ; \frac{-48}{100} ; \frac{-50}{-34} \)

Maria's's Pizza sells one 20-inch cheese pizza or two 12-inch cheese pizzas for \( \$ 9.99 \). Determine which size gives more pizza. \( \left(A=\pi r^{2}\right) \) Select the correct choice below and fill in the corresponding answer box to complete your choice. (Round to two decimal places as needed.) A. The 12 -inch pizzas give more pizza with a combined area of \( \square \) square inches. B. The 20 -inch pizza gives more pizza with an area of \( \square \) square inches.