Which expression is equivalent to "4 times the sum of 3 and x"? A 4(3x)
B, 4x + 3
C, 3 (x+4)
D. 4(x+3)

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Which of the following is the sum of 3 1/6 + 6 3/8?

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?