What is the length of bc?
a. 6 2/3 cm
b. 5cm
c. 4cm
d. 6cm

What percent of the circle below is shaded?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.