Natalie walked 3/5 mile in 1/2 hour. How fast did she walk, in miles per hour? and can u please put the answer in the chat ty

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

The measure of the angles of triangle abc are given by the expressions in the table. angle-measure a-48 degrees b-(6x-28)degrees c- (2x) degrees find the value of x. then find the measures of angles b and c. enter your answers in the boxes. x= m m

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.