Which expression is equivalent to 2a + 2a?

4a

2a2

4 + 2a

4a2

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.

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

Rachel jogged along a trail was1/4 of a mile long. She jogged along the trail 8 times. How many miles did Rachel jog?