Sasha makes a wooden base for a sculpture with the dimensions shown.
The sculpture is too heavy for the base, so she needs to add a brace from
point C to point E to make the base stronger.
How long does the brace need to be? Round your answer to the nearest tenth.
a) 3.4 ft
b) 4.6 ft
c) 5.4 ft
d) 9 ft
I NEED HELP

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?