In ΔHIJ, the measure of ∠J=90°, the measure of ∠I=15°, and IJ = 9.5 feet. Find the length of HI to the nearest tenth of a foot.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Find the measure of angle b in the following triangle

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?