Estimate the sum by rounding to the nearest hundred. 5,443+84

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?

What is the squate root of r^64 needa r^4 b r^8 c r^16 d r^32

Find the ratio of the trig function