7. An object is placed 13 cm from a convex spherical lens of radius 9.0 cm. What type of image forms, and at what distance from the mirror?
virtual image, 6.9 cm from the mirror
O real image, 6.9 cm from the mirror
O real image, 29 cm from the mirror
virtual image, 4.0 cm from the mirror

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Indicate the formula for the following conditions: p^c(n,r)=

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2