In math, how to find x?

What is 8x squared + 7=0 using the quadratic formula

Find 3 consecutive even integers such that twice the 3rd is 4 more than triple the 1st

Solve using elimination 2x+5y=34 x+2y=14

Steve is trying to find the maximum out of time he can spend practicing the five skills of the piano music is supposed to be working on the 60 minutes to practice piano and he would like to spend at least 35 minutes playing a song and set of

The scale on a map is 1cm=20miles. if two airports are 4cm apart on the map, what's the distance between the airports?

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340

A function g (x) has x-intercepts at (1/2,0) and (6,0). Which could be g (x) ? g (x) = 2 (x + 1) (x + 6) g (x) = (x-6) (2x - 1) g (x) = 2 (x - 2) (x-6) g (x) = (x + 6) (x + 2)

Roger is training for a half-marathon. The course is 13.1 miles long. Let p represent Roger's average pace in minutes per mile. Write and solve an inequality to show the average pace needed to finish the half marathon in less than 2 hours.

Find the area under the standard normal curve to the left of z = 0.49 and to the right of z = 2.05. Round your answer to four decimal places, if necessary.

I am watching a movie that is 1 hour and 37 minutes and I watched 52 minutes so how many minutes are left