Is 8d + 4w and 1/2 (8d+4w) equivalent

Whats the equivalent expression for 7 (2x + 9)

Shannon's chair is 20 inches tall. How tall is it in centimeters? (The proportional relationship between inches and centimeters is 2.54 cm/1 in.) 7.87 cm 49 cm 50.8 cm 40 cm

Find the measures of an interior angle and an exterior angle of a regular polygon with 8 sides.

A percent is a ratio that compares a number to 10. True False

You earn $20.00 per hour at your job. If you get a 10% raise at the end of each year, what will your hourly rate, h, be after 8 years? Use the equation h=C (1+r) ^t, where C is the beginning hourly rate, r is the growth rate, and t is time in years.

It takes 40 units of maple sap to produce one unit of maple syrup. Jane and her family are bottling maple syrup in 20 oz. bottles. She notices that they add about 2 oz. of air every time they fill a bottle, to avoid overfill.

4 people can stain a deck in 2 days, how many people would be required to stain the deck in only 1 day?

Y = x^2 - 8x + 15 line of symmetry

Alma is considering buying her first home. The house she is interested in buying is priced at $150,000. Alma can put down a $20,000 payment, and she qualifies for a 30-year mortgage at 5%. What will her monthly mortgage payment be? A) $697.

Find the next three terms of the sequence. -2, - 12, - 72, - 432 A - 1,728, - 6,912, - 27,648 B - 1,728, - 10,368, - 62,208 C - 2,592, - 10,368, - 41,472 D - 2,592, - 15,552, - 93,312