3tens thousands + 14 tens + 16 ones?

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

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