Find x if x+y=z and y-z=x

Will give brainlist?

What does 4/9 - 2/9 equal?

3. What is the frequency of a wave that has a wave speed of 20 m/s and a wavelength of 0.50 m?

At the same time a 32-foot water tower casts a 14-foot shadow, a nearby light posts a casts a 7-foot shadow. How tall is the light post? a. 7 ft b. 12 ft c. 16 ft d. 18 ft

To the nearest tenth, find the volume of a sphere with a diameter of 36 cm. Use 3.14 for pi

What is 12/15 * 3? (fraction times whole number)

Reagan surveyed a number of her classmates about what time they usually go to bed. Of the fifteen classmates she asked, three said 9 p. m. What percent of the students is this?

Do 8:14 and 20:35 form a proportion

You make a large bowl of salad to share with your friends. Your brother eats 1/3 of it before they come over. a. You want to divide the leftover salad evenly among 6 friends. What expression describes the situation? b.

How many times does 7 go into 48

She has 4 pink bracelets. One third of all her bracelets are pink. How many bracelets does she have?