An electrician is hired to install outdoor lighting. the electrician claims that the relationship between the number of hours worked and the total work fee is proportional. the fee for 5 hours is 225$

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish