How tall is a building that casts a 70-ft shadow when the angle of elevation of the sun is 36°?
The building is
ft tall.

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

Plz hurry evaluate the expression a+b where a=8 and b=19