1 ) Considere a expressão algébrica:
0,6ay – ay + 0,3ay + 0,5ay.

A ) Escreva essa expressão na forma mais simples.

B ) Qual o valor numérico dessa expressão quando a = 1,4 e y = -0,9 .

The actual width ( w) of a regulation soccer field is 90 meters (m), and the actual length is 120 meters (m). a coach has drawn a scale model of the field on a blackboard. if the longest side of his drawing is 18 cm, how long is the other side of the drawing( w)?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

The tile along the edge of a triangular community pool needs to be replaced? ?