if m varies directly as a and inversely as the square t, ang m=4 when a=16 and t=3 find m when t=6 and a=20

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1