Roland's Earnings 200 160 120 Earnings Received (in dollars) 80 40 0 0 40 8 16 24 32 Hours Worked Which statement is true based on the information in the graph? Roland earns $5 per hour. Roland earns $8 per hour. Roland earns $20 per hour. Roland earns $40 per hour.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza