Help me fast for the brsainliest answer

b.21

Step-by-step explanation:

increass by +2,+3,+4,+5,+6

21

Step-by-step explanation:

NEXT NUMBER= 21

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

answe: it will take 4.5 hours for naomi and clair to paint an equal number of square feet

hope i

-lavira : )