Marisol construyó un triángulo. Un ángulo del triángulo tiene una medida de 40 °. Otro ángulo del triángulo mide 80 °. ¿Cuál es la medida, en grados, del tercer ángulo del triángulo de Marisol? (SUGERENCIA: los ángulos en triángulos suman 180 grados)

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

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

To determine the number of deer in a forest a forest ranger tags 280 and releases them back