Simona si andrei au impreuna 648 de lei. andrei are o suma de trei ori mai mare decat a simonei. cei doi copii hotarascsa cumpere un joc lego care costa 128 de lei. afla cati bani ii raman fiecarui copil, stiind ca ei au cheltuit sume egale. dati-mi va rog raspuns si explicatie xx dau coroana xx

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.