Need answer asap!! A child walks to of a mile in 3 hour. At this rate, how far will the child walk in 1 hour?

O 1 1/2 miles
O 1 1/5 miles
O 2/3 mile
O 4/15 mile

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee