What is the value of x if the acute angles of a right triangles measure 8x and 12x

A train travels at a speed of 90 miles per hour. How far will it have traveled in 3 hours? OM) 150 mi OB) 190 mi 09 270 mi OD) 300 mi.

Round 139,664 to the nearest ten.

What is the solution of the system? Use elimination. 7x + 5y = 19 -7x - 2y = - 16

At the start of the month Stephens saving account had a balance of 1624. He made a $420 withdrawal each week for four weeks. During that month he also made two deposits of $600 each and one deposit of $1000.

A stadium has 55,000 seats. Seats sell for $28 in Section A, $16 in Section B, and $12 in Section C. The number of seats in Section A equals the total number of seats in Sections B and C.

Two friends are going on a vacation. The hotel room they are staying in is $140 per night. The total cost for both tickets to the theme park they are going to is $65.

One hour is equal to how many seconds

A line crosses the y-axis at (0,4) and has a slope of - 2. Find an equation for the this line. A) y = 2x + 4 B) y = - 2x + 4 C) y = - 2x - 4 D) y = - 4x + 2 < - - 6) Write the equation of the line with the given slope and y-intercept.

What is 3/10 equivalent to

In a geometry class, the students were asked to prove the theory below by contradiction. Theorem: A triangle has at the most one obtuse angle. Heather begins the proof with an assumption. Which statement will she most likely use as an assumption. 1.