I need solutions for all of them

. How many thousands are there in 530070? A)530 B)S (3)53 D)5300 E)3oo7 . How many tens are there in 7805? M780 8)? cm D)5 E)80 . If n is odd and m is even, which expression is odd? A) m(m+r) 3) mm C) m+n D) 2n(m+n) E) 371+] . How many numbers from the list are prime: 2; 23;29;46;101;119;122? me B)5 (3)4 m3 E)2 . Which expression is odd for all values of n? A) 2n2+2 B) n2+1 C) n21 D) 2:12 E) 2112 +3 . How many coprime pairs are in the list: 3;4;8;13;26? A)7 B)8 (3)5 D)6 E)10 . How many coprime with 30 numbers are there among numbers less than 30? A)6 337 (3)8. o)9 E)4 . Find x+y+z, if ~E=7344 A}8 B)9 C)? ms E)5