Katie is 3 years older than her brother the sum of their ages is no more than 31 what write an inequality that can be used to represent the situation with extra represents k's brother age do not combine like terms

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.