Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter. X = t cos(t), y = t sin(t); t = π.

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?