Write a fraction in which the numerator and denominator are both greater than 9. Then write the fraction in simplest form.

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)

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?