Is a opposite of a number sometimes negative

Increase the number by 0.07

Which line has a slope of 3/4

There were 20 girls and 10 boys on the swim team last Summer. This summer, the number of girls decreased by 30% and the number of boys increased by 40%. How many member are on the swim team this summer?

What is 6811.09 round to ten

How would i solve 8x squared plus 4x = 0

What measurement is not equal to 6. 5 meters? 0.0065 kilometer 6.50 meters 65 centimeters 6,500millimeters

The least common multiple of 9 and 3 is 9

D-21.4=87.9 Explain your answer

Calculate 6.75-3.1 and round to the correct number of significant digits

noah and his Children went into the grocery store and they were still in apples for one dollar each and mangoes for two dollars each Noah has $20 to spend and most by at least nine apples and mangoes all together if Noah decided to buy for apples