The radius of Earth is about 6.38 x 10³ kilometers. Write this distance in standard notation

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Sh what is the value of x? ox= 2.25 x = 11.25 ox= x = 22 1 (2x + 10) seo - (6x + 1) -- nie