Jin tried to evaluate 5 + 2 x 9 step-by-step. 5+2 x 9

Step 1: =7 x 9

Step 2: =63

Find jin’s mistake

A: step 1
B: step 2
C: Jin did not make a mistake

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?

The base of a pyramid is a square with 5 lines of 5cm the slant height of each lateral face of the pyramid is 6 cm what is the surface area of the pyramid

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?