What is the letter x worth in this x/7 - 3 = 7

Can you have an isolceles triangle withsides of 3cm, 8cm, and 8cm? Can you have a right triangle with two congruent sides? Can you have a scalene triangle with side lengths of 2 cm, 11 cm, and 14 cm?

What is the x-intercept of the line : 4x-5y=40

One over four times four

Two minutes after a diver enters the water, he has descended 52 feet. after 5 minutes he has descended 130 feet at what rate is the scuba diver descending

What is the least number that has both 6 and 10 as factors

Sierra has 3 days to drive 932 miles. She wants to have completed 75% of the drive by the start of day 3. What distance should she drive on each of the first two days?

36 is how many times greater than 6? 4 6 9 5

Q+r/s when q=31, r=48, and s=6

What is 0.4% written as a decimal?

A line that has a y-intercept of 0 and passes through (12, 4)