What is 2/7 into a percent

Emily and her feiends qent to the park. they saw 15 robins and 9 blue jays. how many birds did they see? explain how you decided what number sentence to write.

Use the diagonals to determine whether a parallelogram with vertices u(2,−2), v(9,−2), w(9,−6), and x(2,−6) is a rectangle, rhombus, or square. give all the names that apply.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?