HELP, WILL GIVE 100 POINTS Which sum or product is rational? Choose all that apply.
A.
−12+3
B.
(7–√)(34)
C.
2.7 + 45
D.
(78)(9–√)
E.
4 + 5–√

Three times the sum of a number and seven is negative thirty-six. what is the number?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4