Solve for b
W=7b
Please help me solve this

Find the circumference of each circle. use 3.14 for . 15 cm 6 yd 2 m 13 ft. find the area of each circle. use 3.14 for t. 26 m 15 ft. 19 yd. 7.5 mm

Mr. mole left his burrow and started digging his way down. a(t) models mr. mole's altitude relative to the ground (in meters) after t minutes. a(t)=-2.3t-7 how fast did mr. mole descend?

Which is the equation in slope-intercept form for the line that passes through (3, 7) and is perpendicular to 3x-5y=8 a. y=5/3x+2 b. y=3/5x+2 c. y=-5/3x+12 d. y=-3/5x+5