How do you find the zero of a function?

Sandra paints 1/2 of a small wall. Kenneth paints 1/2 of a large wall. Sandra claims that together they painted one wall because 1/2 + 1/2. Is she correct? Use mathematical reasoning to explain why or why not.

2.7 (w-5.2) Simplify The Expression

Calculus I Related Rates: An airplane is flying at an altitude of 5 miles and passes directly over a radar antenna (see figure).

Identify the missing symbol in the expression. - 0.5? - 2/4

A student did 3/5 of his homework and 8 more problems. then his father came and did one fifth of the homework and the remaining 7 problems. how many problems did they solve?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.