Mr. Notardonato is going to run a half marathon, which is 13.1 miles. How many inches are in 13.1 miles? (1 foot= 12 inches, 1 mile= 5280 feet)

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?

The product of sin 30 degrees and sin 60 degrees is same as the product of