3x+y=-7

-2x+4y=0

Solve by using substitution

Expand y=-2 (4x-1) (4x+1)

Which of the following expressions represents the verbal description below? the cube of the difference of 4 times x and 6 divided by 2 times the sum of x and 1

In a college there are 16 times as many students as professors. if together the students and professors number 17000, how many students are there in the college?

Yolunda club has 35 members. it rules require that 60% of them be present to vote. at least how many members must be present to have a vote?

A right triangle has one angle that measure 23o. The adjacent leg measures 27.6 cm and the hypotenuse measures 30 cm.

Mikey worked 8 hours on Wednesday, 6 hours on Thursday, and 7 hours on Friday. His gross pay for all three days was $187.95 A. $8.95 B. $8.98 C. $28.13 D. 65.63

Ray cupple bought a basic car costing 26,500, with options costing 725.00. There is a 6% sales rax in his state and a combined 50.00 license and registration fee. What was ray's total cost

theater technician charges a $200 flat fee and 5% of all profits from ticket sales per show. If the technician made $400.00 on a show, how much total profit was there from ticket sales?

Line L1 has the equation 3x-30y=6 Express the equation of L1 in the slope-intercept form

In Mrs. Smith's enrichment class, 25% of the students are boys. There are 7 boys in the class. How many total students are in Mrs. Smith's enrichment class?